Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	19.02	19.15	18.95	19.13	1,704,156	+0.12(+0.63%)
Apr 29, 2013	18.87	19.05	18.78	19.01	1,833,593	+0.18(+0.96%)
Apr 26, 2013	18.77	18.90	18.76	18.83	2,896,071	+0.07(+0.37%)
Apr 25, 2013	18.70	18.81	18.60	18.76	2,799,274	+0.12(+0.64%)
Apr 24, 2013	18.57	18.73	18.47	18.64	2,049,325	+0.11(+0.59%)
Apr 23, 2013	18.57	18.60	18.38	18.53	1,412,356	+0.01(+0.05%)
Apr 22, 2013	18.50	18.58	18.36	18.52	1,563,867	+0.05(+0.27%)
Apr 19, 2013	18.31	18.49	18.29	18.47	1,537,251	+0.21(+1.15%)
Apr 18, 2013	18.17	18.28	18.06	18.26	1,661,139	+0.14(+0.77%)
Apr 17, 2013	18.30	18.31	18.04	18.12	1,846,504	-0.25(-1.36%)
Apr 16, 2013	18.23	18.39	18.11	18.37	1,848,875	+0.21(+1.16%)
Apr 15, 2013	18.40	18.42	18.15	18.16	2,202,251	-0.29(-1.57%)
Apr 12, 2013	18.42	18.56	18.40	18.45	2,111,989	-0.01(-0.05%)
Apr 11, 2013	18.52	18.54	18.39	18.46	2,284,055	+0.01(+0.05%)
Apr 10, 2013	18.25	18.50	18.24	18.45	2,248,846	+0.22(+1.21%)
Apr 09, 2013	18.25	18.34	18.16	18.23	2,077,552	-0.02(-0.11%)
Apr 08, 2013	18.16	18.27	18.04	18.25	1,763,573	+0.09(+0.50%)
Apr 05, 2013	17.94	18.25	17.94	18.16	2,193,534	+0.11(+0.61%)
Apr 04, 2013	17.82	18.07	17.80	18.05	1,957,645	+0.32(+1.80%)
Apr 03, 2013	17.78	17.88	17.71	17.73	2,166,395	-0.04(-0.23%)
Apr 02, 2013	17.80	17.85	17.67	17.77	1,144,889	+0.00(+0.00%)
Apr 01, 2013	17.80	17.83	17.65	17.77	992,028	-0.05(-0.28%)
Mar 28, 2013	17.60	17.85	17.56	17.82	1,446,483	+0.25(+1.42%)
Mar 27, 2013	17.52	17.62	17.44	17.57	1,193,809	+0.01(+0.06%)
Mar 26, 2013	17.33	17.56	17.33	17.56	1,621,432	+0.26(+1.50%)
Mar 25, 2013	17.38	17.42	17.23	17.30	1,715,437	-0.05(-0.29%)
Mar 22, 2013	17.42	17.49	17.27	17.35	1,351,906	-0.04(-0.23%)
Mar 21, 2013	17.45	17.48	17.32	17.39	1,246,450	-0.10(-0.57%)
Mar 20, 2013	17.44	17.55	17.40	17.49	1,182,865	+0.13(+0.75%)
Mar 19, 2013	17.41	17.47	17.26	17.36	1,045,415	+0.01(+0.06%)
Mar 18, 2013	17.30	17.47	17.30	17.35	1,086,573	-0.09(-0.52%)
Mar 15, 2013	17.40	17.56	17.37	17.44	1,840,018	+0.00(+0.00%)
Mar 14, 2013	17.43	17.49	17.34	17.44	1,113,910	+0.01(+0.06%)
Mar 13, 2013	17.32	17.46	17.28	17.43	1,159,014	+0.09(+0.52%)
Mar 12, 2013	17.38	17.38	17.26	17.34	1,077,127	-0.02(-0.12%)
Mar 11, 2013	17.27	17.42	17.27	17.36	1,032,329	+0.04(+0.23%)
Mar 08, 2013	17.44	17.44	17.26	17.32	1,521,381	-0.08(-0.46%)
Mar 07, 2013	17.46	17.53	17.37	17.40	1,205,968	-0.02(-0.11%)
Mar 06, 2013	17.57	17.60	17.38	17.42	1,460,209	-0.11(-0.63%)
Mar 05, 2013	17.53	17.62	17.48	17.53	1,549,657	+0.06(+0.34%)
Mar 04, 2013	17.29	17.50	17.29	17.47	1,356,267	+0.12(+0.69%)
Mar 01, 2013	17.21	17.42	17.16	17.35	1,882,833	+0.10(+0.58%)
Feb 28, 2013	17.24	17.33	17.18	17.25	1,518,430	+0.08(+0.47%)
Feb 27, 2013	16.96	17.20	16.94	17.17	1,391,972	+0.22(+1.30%)
Feb 26, 2013	16.93	17.04	16.84	16.95	1,885,797	+0.05(+0.30%)
Feb 25, 2013	17.20	17.25	16.89	16.90	1,964,262	-0.22(-1.29%)
Feb 22, 2013	17.10	17.21	17.06	17.12	1,578,147	+0.06(+0.35%)
Feb 21, 2013	17.09	17.10	16.96	17.06	1,290,663	-0.04(-0.23%)
Feb 20, 2013	17.09	17.26	17.08	17.10	1,796,040	+0.01(+0.06%)
Feb 19, 2013	16.95	17.14	16.95	17.09	2,157,631	+0.19(+1.12%)
Feb 15, 2013	17.02	17.03	16.89	16.90	2,217,244	-0.09(-0.53%)
Feb 14, 2013	16.98	17.03	16.88	16.99	2,163,656	+0.00(+0.00%)
Feb 13, 2013	17.05	17.08	16.91	16.99	1,480,100	-0.16(-0.93%)
Feb 12, 2013	17.06	17.16	16.99	17.15	5,055,291	+0.10(+0.59%)
Feb 11, 2013	17.04	17.10	16.96	17.05	4,907,417	+0.00(+0.00%)
Feb 08, 2013	17.00	17.10	16.93	17.05	4,975,835	+0.04(+0.24%)
Feb 07, 2013	16.86	17.02	16.82	17.01	2,297,172	-0.04(-0.23%)
Feb 06, 2013	16.80	17.09	16.71	17.05	3,585,463	-0.37(-2.12%)
Feb 04, 2013	17.70	17.78	17.35	17.42	3,358,224	-0.35(-1.97%)
Feb 01, 2013	17.83	17.87	17.71	17.77	1,175,238	+0.00(+0.00%)
Jan 31, 2013	17.65	17.77	17.58	17.77	1,345,763	+0.13(+0.74%)
Jan 30, 2013	17.77	17.81	17.63	17.64	1,430,303	-0.14(-0.79%)
Jan 29, 2013	17.43	17.79	17.42	17.78	3,117,457	+0.38(+2.18%)
Jan 28, 2013	17.32	17.41	17.19	17.40	2,337,383	+0.21(+1.22%)
Jan 25, 2013	17.15	17.19	17.05	17.19	1,182,063	+0.08(+0.47%)
Jan 24, 2013	17.15	17.23	17.07	17.11	1,266,086	+0.01(+0.06%)
Jan 23, 2013	17.12	17.14	17.00	17.10	1,366,835	-0.07(-0.41%)
Jan 22, 2013	16.98	17.18	16.89	17.17	1,282,898	+0.15(+0.88%)
Jan 18, 2013	16.94	17.02	16.78	17.02	1,640,611	+0.06(+0.35%)
Jan 17, 2013	16.94	17.05	16.92	16.96	838,673	+0.03(+0.18%)
Jan 16, 2013	16.94	17.01	16.87	16.93	1,083,140	-0.06(-0.35%)
Jan 15, 2013	17.06	17.09	16.89	16.99	1,576,172	-0.12(-0.70%)
Jan 14, 2013	17.15	17.28	17.06	17.11	813,553	-0.03(-0.18%)
Jan 12, 2013	17.15	17.20	17.05	17.14	1,281,133	+0.00(+0.00%)
Jan 11, 2013	17.15	17.20	17.05	17.14	1,281,133	+0.01(+0.06%)
Jan 10, 2013	17.13	17.19	17.06	17.13	1,353,173	+0.06(+0.35%)
Jan 09, 2013	17.11	17.14	17.00	17.07	625,768	+0.01(+0.06%)
Jan 08, 2013	17.05	17.12	16.96	17.06	1,459,093	-0.03(-0.18%)
Jan 07, 2013	17.18	17.18	17.02	17.09	1,449,286	-0.09(-0.52%)
Jan 04, 2013	17.06	17.26	17.03	17.18	1,159,208	+0.16(+0.94%)
Jan 03, 2013	16.99	17.11	16.96	17.02	1,178,616	+0.05(+0.29%)
Jan 02, 2013	16.97	16.99	16.86	16.97	1,949,248	+0.21(+1.25%)
Dec 31, 2012	16.53	16.79	16.43	16.76	2,079,930	+0.20(+1.21%)
Dec 28, 2012	16.65	16.74	16.54	16.56	988,617	-0.16(-0.96%)
Dec 27, 2012	16.76	16.83	16.50	16.72	1,951,892	-0.06(-0.36%)
Dec 26, 2012	16.97	17.05	16.74	16.78	1,137,578	-0.18(-1.06%)
Dec 24, 2012	16.96	17.07	16.83	16.96	948,262	-0.07(-0.41%)
Dec 21, 2012	16.94	17.08	16.86	17.03	3,373,144	-0.02(-0.12%)
Dec 20, 2012	16.94	17.08	16.82	17.05	3,643,297	+0.16(+0.95%)
Dec 19, 2012	16.91	17.00	16.84	16.89	1,258,015	-0.03(-0.18%)
Dec 18, 2012	16.82	16.97	16.77	16.92	3,943,898	+0.09(+0.53%)
Dec 17, 2012	16.65	16.85	16.62	16.83	1,657,663	+0.23(+1.39%)
Dec 14, 2012	16.62	16.71	16.55	16.60	2,130,228	-0.04(-0.24%)
Dec 13, 2012	16.80	16.86	16.64	16.64	1,968,189	-0.18(-1.07%)
Dec 12, 2012	16.86	16.99	16.82	16.82	1,455,517	-0.04(-0.24%)
Dec 11, 2012	16.87	16.96	16.83	16.86	1,038,408	+0.00(+0.00%)
Dec 10, 2012	16.81	16.89	16.75	16.86	1,093,429	+0.02(+0.12%)
Dec 07, 2012	16.86	16.90	16.77	16.84	1,121,097	+0.01(+0.06%)
Dec 06, 2012	16.90	16.93	16.77	16.83	1,250,064	-0.05(-0.30%)
Dec 05, 2012	16.67	16.95	16.65	16.88	1,571,932	+0.24(+1.44%)
Dec 04, 2012	16.67	16.79	16.62	16.64	1,222,307	-0.17(-1.01%)
Nov 30, 2012	16.72	16.81	16.66	16.81	1,945,726	+0.12(+0.72%)
Nov 29, 2012	16.60	16.74	16.58	16.69	1,705,997	+0.11(+0.66%)
Nov 28, 2012	16.48	16.64	16.42	16.58	1,892,228	+0.06(+0.36%)
Nov 27, 2012	16.43	16.59	16.38	16.52	1,930,938	+0.12(+0.73%)
Nov 26, 2012	16.17	16.49	16.16	16.40	1,562,858	+0.19(+1.17%)
Nov 24, 2012	16.34	16.36	16.15	16.21	795,405	+0.00(+0.00%)
Nov 23, 2012	16.34	16.36	16.15	16.21	795,405	-0.10(-0.61%)
Nov 21, 2012	16.39	16.40	16.12	16.31	1,376,759	-0.05(-0.31%)
Nov 20, 2012	16.44	16.48	16.26	16.36	1,394,432	-0.05(-0.30%)
Nov 19, 2012	16.64	16.64	16.33	16.41	1,759,594	-0.10(-0.61%)
Nov 16, 2012	16.40	16.52	16.26	16.51	2,214,475	+0.11(+0.67%)
Nov 15, 2012	16.57	16.64	16.30	16.40	2,402,212	-0.20(-1.20%)
Nov 14, 2012	16.82	16.83	16.55	16.60	1,586,849	-0.17(-1.01%)
Nov 13, 2012	16.67	16.95	16.65	16.77	1,470,659	+0.03(+0.18%)
Nov 12, 2012	16.90	16.97	16.69	16.74	1,805,910	-0.18(-1.06%)
Nov 09, 2012	17.03	17.25	16.86	16.92	3,100,773	-0.14(-0.82%)
Nov 08, 2012	17.43	17.45	17.06	17.06	2,856,827	-0.42(-2.40%)
Nov 07, 2012	17.74	17.76	17.45	17.48	3,788,700	-0.36(-2.02%)
Nov 06, 2012	17.87	17.95	17.81	17.84	1,823,991	+0.03(+0.17%)
Nov 05, 2012	17.75	17.83	17.62	17.81	2,770,346	-0.01(-0.06%)
Nov 02, 2012	17.96	18.00	17.80	17.82	3,346,484	-0.06(-0.34%)
Nov 01, 2012	17.83	18.00	17.71	17.88	2,198,260	+0.01(+0.06%)
Oct 31, 2012	17.73	18.07	17.57	17.87	1,674,713	+0.26(+1.48%)
Oct 26, 2012		17.61	17.61	17.61	0	+0.07(+0.40%)
Oct 25, 2012	17.55	17.62	17.41	17.54	1,280,583	+0.05(+0.29%)
Oct 24, 2012	17.64	17.69	17.45	17.49	1,503,658	-0.10(-0.57%)
Oct 23, 2012	17.67	17.74	17.46	17.59	1,653,582	-0.30(-1.68%)
Oct 19, 2012	18.00	18.14	17.86	17.89	1,964,759	-0.11(-0.61%)
Oct 18, 2012	17.95	18.00	17.84	18.00	1,264,288	+0.04(+0.22%)
Oct 17, 2012	17.77	17.97	17.71	17.96	1,145,342	+0.28(+1.58%)
Oct 16, 2012	17.64	17.72	17.63	17.68	1,128,709	+0.09(+0.51%)
Oct 15, 2012	17.55	17.61	17.45	17.59	940,904	+0.07(+0.40%)
Oct 12, 2012	17.77	17.80	17.48	17.52	1,997,365	-0.29(-1.63%)
Oct 11, 2012	17.65	17.87	17.57	17.81	2,351,987	+0.22(+1.25%)
Oct 10, 2012	17.70	17.70	17.53	17.59	1,341,600	-0.07(-0.40%)
Oct 09, 2012	17.54	17.68	17.50	17.66	1,268,292	+0.13(+0.74%)
Oct 08, 2012	17.51	17.58	17.45	17.53	1,329,085	-0.02(-0.11%)
Oct 06, 2012	17.69	17.69	17.50	17.55	1,227,556	+0.00(+0.00%)
Oct 05, 2012	17.69	17.69	17.50	17.55	1,227,556	-0.06(-0.34%)
Oct 04, 2012	17.61	17.68	17.53	17.61	1,496,247	+0.09(+0.51%)
Oct 03, 2012	17.48	17.53	17.44	17.52	1,325,636	+0.08(+0.46%)
Oct 02, 2012	17.55	17.60	17.40	17.44	1,400,209	-0.06(-0.34%)
Oct 01, 2012	17.76	17.81	17.47	17.50	2,260,586	-0.24(-1.35%)
Sep 28, 2012	17.65	17.77	17.44	17.74	3,460,847	+0.04(+0.23%)
Sep 27, 2012	17.76	17.81	17.55	17.70	2,614,470	-0.02(-0.11%)
Sep 26, 2012	17.68	17.81	17.63	17.72	1,772,399	+0.07(+0.40%)
Sep 25, 2012	17.73	17.82	17.65	17.65	2,223,897	-0.04(-0.23%)
Sep 24, 2012	17.51	17.70	17.46	17.69	1,897,543	+0.18(+1.03%)
Sep 21, 2012	17.50	17.51	17.40	17.51	2,763,730	+0.06(+0.34%)
Sep 20, 2012	17.34	17.45	17.33	17.45	1,532,853	+0.08(+0.46%)
Sep 19, 2012	17.41	17.48	17.34	17.37	928,657	-0.01(-0.06%)
Sep 18, 2012	17.40	17.44	17.30	17.38	1,383,569	-0.01(-0.06%)
Sep 17, 2012	17.47	17.56	17.26	17.39	2,898,807	-0.07(-0.40%)
Sep 14, 2012	17.58	17.63	17.44	17.46	3,167,706	-0.09(-0.51%)
Sep 13, 2012	17.43	17.56	17.32	17.55	3,999,048	+0.15(+0.86%)
Sep 12, 2012	17.57	17.57	17.39	17.40	1,493,615	-0.10(-0.57%)
Sep 11, 2012	17.45	17.54	17.45	17.50	1,404,134	+0.05(+0.29%)
Sep 10, 2012	17.65	17.65	17.45	17.45	1,313,597	-0.09(-0.51%)
Sep 07, 2012	17.43	17.54	17.38	17.54	1,753,720	-0.06(-0.34%)
Sep 06, 2012	17.44	17.60	17.41	17.60	1,346,868	+0.24(+1.38%)
Sep 05, 2012	17.55	17.55	17.35	17.36	1,261,864	-0.13(-0.74%)
Sep 04, 2012	17.35	17.53	17.30	17.49	1,435,047	+0.13(+0.75%)
Aug 31, 2012	17.49	17.50	17.32	17.36	1,332,336	-0.07(-0.40%)
Aug 30, 2012	17.41	17.45	17.34	17.43	1,183,261	+0.01(+0.06%)
Aug 29, 2012	17.56	17.59	17.42	17.42	1,204,333	-0.11(-0.63%)
Aug 27, 2012	17.61	17.61	17.51	17.53	1,109,879	-0.08(-0.45%)
Aug 24, 2012	17.56	17.61	17.47	17.61	1,157,752	+0.04(+0.23%)
Aug 23, 2012	17.76	17.79	17.54	17.57	1,260,097	-0.22(-1.24%)
Aug 22, 2012	17.84	17.87	17.77	17.79	1,319,601	-0.04(-0.22%)
Aug 21, 2012	17.89	18.02	17.79	17.83	1,581,172	-0.02(-0.11%)
Aug 20, 2012	17.82	17.92	17.80	17.85	1,431,714	-0.03(-0.17%)
Aug 17, 2012	17.88	17.94	17.83	17.88	987,700	+0.05(+0.28%)
Aug 16, 2012	17.81	17.94	17.75	17.83	1,272,076	+0.04(+0.22%)
Aug 15, 2012	17.91	17.98	17.78	17.79	1,310,406	-0.21(-1.17%)
Aug 14, 2012	17.96	18.05	17.91	18.00	1,616,651	+0.10(+0.56%)
Aug 13, 2012	17.91	17.93	17.84	17.90	1,536,037	-0.04(-0.22%)
Aug 11, 2012	17.91	17.98	17.80	17.94	1,511,919	+0.00(+0.00%)
Aug 10, 2012	17.91	17.98	17.80	17.94	1,511,919	-0.13(-0.72%)
Aug 09, 2012	17.90	18.09	17.87	18.07	1,963,968	+0.16(+0.89%)
Aug 08, 2012	17.79	17.92	17.70	17.91	1,957,580	+0.11(+0.62%)
Aug 07, 2012	17.96	18.00	17.80	17.80	1,508,447	-0.11(-0.61%)
Aug 06, 2012	17.95	18.03	17.89	17.91	1,321,709	-0.07(-0.39%)
Aug 03, 2012	17.88	17.98	17.78	17.98	5,941,830	+0.21(+1.18%)
Aug 02, 2012	17.90	18.05	17.71	17.77	2,727,417	-0.40(-2.20%)
Aug 01, 2012	18.25	18.64	18.11	18.17	3,001,034	-0.02(-0.11%)
Jul 31, 2012	18.43	18.44	18.17	18.19	1,265,084	-0.26(-1.41%)
Jul 30, 2012	18.21	18.45	18.16	18.45	1,320,345	+0.23(+1.26%)
Jul 27, 2012	18.01	18.24	17.95	18.22	1,773,500	+0.32(+1.79%)
Jul 26, 2012	17.87	17.95	17.75	17.90	1,262,710	+0.23(+1.30%)
Jul 25, 2012	17.78	17.80	17.60	17.67	1,295,227	-0.05(-0.28%)
Jul 24, 2012	18.16	18.16	17.66	17.72	2,446,216	-0.35(-1.94%)
Jul 23, 2012	18.10	18.16	17.99	18.07	1,000,187	-0.17(-0.93%)
Jul 20, 2012	18.15	18.35	18.07	18.24	1,596,468	+0.06(+0.33%)
Jul 19, 2012	18.10	18.23	17.99	18.18	2,181,137	+0.09(+0.50%)
Jul 18, 2012	17.96	18.11	17.91	18.09	2,186,227	+0.09(+0.50%)
Jul 17, 2012	17.91	18.00	17.80	18.00	1,864,469	+0.09(+0.50%)
Jul 16, 2012	17.87	18.13	17.85	17.91	3,273,473	-0.38(-2.08%)
Jul 14, 2012	18.11	18.29	18.10	18.29	915,675	+0.00(+0.00%)
Jul 13, 2012	18.11	18.29	18.10	18.29	915,675	+0.21(+1.16%)
Jul 12, 2012	18.00	18.14	17.96	18.08	1,179,853	-0.01(-0.06%)
Jul 11, 2012	18.08	18.14	17.99	18.09	1,231,418	+0.05(+0.28%)
Jul 10, 2012	18.15	18.20	17.94	18.04	1,410,697	-0.07(-0.39%)
Jul 09, 2012	18.17	18.18	18.02	18.11	1,194,917	-0.06(-0.33%)
Jul 06, 2012	18.13	18.25	18.09	18.17	1,092,782	-0.10(-0.55%)
Jul 05, 2012	18.26	18.35	18.20	18.27	1,382,347	-0.03(-0.16%)
Jul 03, 2012	18.24	18.31	18.18	18.30	728,978	+0.08(+0.44%)
Jul 02, 2012	18.11	18.22	18.06	18.22	1,375,095	+0.15(+0.83%)
Jun 30, 2012	18.29	18.29	17.93	18.07	1,761,399	+0.01(+0.06%)
Jun 29, 2012	18.29	18.29	17.93	18.06	2,292,780	+0.01(+0.06%)
Jun 28, 2012	17.90	18.06	17.82	18.05	1,115,546	+0.07(+0.39%)
Jun 27, 2012	17.70	17.99	17.70	17.98	897,876	+0.24(+1.35%)
Jun 26, 2012	17.79	17.87	17.66	17.74	1,325,583	-0.04(-0.22%)
Jun 25, 2012	17.72	17.82	17.68	17.78	878,837	-0.05(-0.28%)
Jun 22, 2012	17.93	17.93	17.80	17.83	1,298,198	-0.02(-0.11%)
Jun 21, 2012	18.20	18.26	17.82	17.85	1,669,576	-0.29(-1.60%)
Jun 20, 2012	18.30	18.30	18.09	18.14	1,383,830	-0.15(-0.82%)
Jun 19, 2012	18.20	18.33	18.11	18.29	2,041,810	+0.14(+0.77%)
Jun 18, 2012	18.04	18.19	18.03	18.15	938,509	+0.02(+0.11%)
Jun 15, 2012	18.09	18.14	17.98	18.13	1,837,229	+0.13(+0.72%)
Jun 14, 2012	17.93	18.05	17.86	18.00	1,722,486	+0.14(+0.78%)
Jun 13, 2012	17.80	17.87	17.67	17.86	1,738,652	+0.01(+0.06%)
Jun 12, 2012	17.88	17.88	17.71	17.85	1,374,020	+0.05(+0.28%)
Jun 11, 2012	17.81	17.89	17.70	17.80	1,962,747	+0.06(+0.34%)
Jun 08, 2012	17.62	17.75	17.56	17.74	1,044,948	+0.08(+0.45%)
Jun 07, 2012	17.89	17.93	17.64	17.66	1,480,061	-0.09(-0.51%)
Jun 06, 2012	17.57	17.75	17.50	17.75	3,740,275	+0.28(+1.60%)
Jun 05, 2012	17.22	17.56	17.18	17.47	1,590,268	+0.22(+1.28%)
Jun 04, 2012	17.22	17.25	17.10	17.25	1,562,309	+0.05(+0.29%)
Jun 02, 2012	17.17	17.32	17.11	17.20	1,893,466	+0.00(+0.00%)
Jun 01, 2012	17.17	17.32	17.11	17.20	1,893,466	-0.20(-1.15%)
May 31, 2012	17.25	17.52	17.21	17.40	1,853,470	+0.17(+0.99%)
May 30, 2012	17.33	17.46	17.21	17.23	960,345	-0.21(-1.20%)
May 29, 2012	17.47	17.55	17.35	17.44	1,127,027	+0.09(+0.52%)
May 25, 2012	17.38	17.47	17.31	17.35	706,098	-0.01(-0.06%)
May 24, 2012	17.30	17.41	17.21	17.36	1,341,124	+0.07(+0.40%)
May 23, 2012	17.35	17.39	17.18	17.29	1,347,439	-0.08(-0.46%)
May 22, 2012	17.43	17.52	17.29	17.37	1,811,587	+0.00(+0.00%)
May 21, 2012	17.24	17.37	17.18	17.37	1,067,619	+0.14(+0.81%)
May 18, 2012	17.41	17.50	17.18	17.23	1,561,306	-0.15(-0.86%)
May 17, 2012	17.51	17.51	17.34	17.38	1,559,679	-0.11(-0.63%)
May 16, 2012	17.53	17.56	17.40	17.49	1,385,967	+0.01(+0.06%)
May 15, 2012	17.72	17.73	17.46	17.48	1,863,677	-0.23(-1.30%)
May 14, 2012	17.68	17.82	17.59	17.71	1,133,540	-0.10(-0.56%)
May 11, 2012	17.74	17.97	17.72	17.81	2,056,779	+0.01(+0.06%)
May 10, 2012	17.66	17.84	17.62	17.80	1,288,773	+0.00(+0.00%)
May 09, 2012	17.69	17.82	17.58	17.80	3,013,871	-0.03(-0.17%)
May 08, 2012	17.68	17.86	17.67	17.83	1,053,159	+0.08(+0.45%)
May 07, 2012	17.80	17.83	17.70	17.75	1,039,373	-0.10(-0.56%)
May 04, 2012	17.91	18.06	17.85	17.85	1,541,408	-0.14(-0.78%)
May 03, 2012	17.90	18.17	17.81	17.99	2,689,262	+0.14(+0.78%)
May 02, 2012	17.92	18.05	17.84	17.85	1,934,129	-0.13(-0.72%)

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