Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	21.05	21.05	20.91	20.95	10,251,546	-0.11(-0.51%)
Apr 27, 2012	21.12	21.17	20.97	21.06	10,067,889	+0.02(+0.10%)
Apr 26, 2012	20.81	21.07	20.78	21.04	9,818,372	+0.14(+0.68%)
Apr 25, 2012	20.79	20.91	20.71	20.90	2,565,631	+0.28(+1.34%)
Apr 24, 2012	20.75	20.83	20.58	20.62	3,486,252	-0.06(-0.29%)
Apr 23, 2012	20.74	20.74	20.49	20.68	2,999,370	-0.12(-0.58%)
Apr 20, 2012	20.84	21.00	20.78	20.81	3,844,586	-0.01(-0.03%)
Apr 19, 2012	20.91	20.96	20.70	20.81	3,289,101	-0.14(-0.65%)
Apr 18, 2012	21.04	21.08	20.85	20.95	2,481,118	-0.14(-0.67%)
Apr 17, 2012	21.04	21.16	21.02	21.09	3,786,039	+0.16(+0.78%)
Apr 16, 2012	20.89	21.01	20.79	20.93	6,286,621	+0.07(+0.36%)
Apr 13, 2012	21.08	21.09	20.85	20.85	2,258,315	-0.26(-1.22%)
Apr 12, 2012	21.01	21.13	20.87	21.11	2,199,063	+0.17(+0.81%)
Apr 11, 2012	20.94	20.96	20.81	20.94	2,617,512	+0.22(+1.08%)
Apr 10, 2012	20.98	21.04	20.64	20.72	4,175,538	-0.28(-1.35%)
Apr 09, 2012	21.14	21.14	20.95	21.00	2,391,631	-0.34(-1.58%)
Apr 05, 2012	21.24	21.35	21.20	21.34	3,772,831	+0.02(+0.10%)
Apr 04, 2012	21.43	21.46	21.18	21.32	4,049,882	-0.34(-1.56%)
Apr 03, 2012	21.57	21.70	21.42	21.66	6,731,429	+0.18(+0.82%)
Apr 02, 2012	20.88	21.54	20.82	21.48	6,692,238	+0.52(+2.48%)
Mar 30, 2012	21.32	21.32	20.96	20.96	5,776,326	-0.24(-1.15%)
Mar 29, 2012	21.41	21.58	21.14	21.20	5,538,619	-0.43(-1.97%)
Mar 28, 2012	21.71	21.74	21.54	21.63	3,037,782	-0.08(-0.37%)
Mar 27, 2012	21.79	21.80	21.65	21.71	2,001,690	-0.02(-0.09%)
Mar 26, 2012	21.64	21.81	21.59	21.73	3,106,578	+0.26(+1.23%)
Mar 23, 2012	21.59	21.63	21.41	21.47	1,937,388	-0.16(-0.75%)
Mar 22, 2012	21.42	21.65	21.40	21.63	3,297,803	+0.02(+0.09%)
Mar 21, 2012	21.54	21.72	21.49	21.61	5,519,080	+0.09(+0.41%)
Mar 20, 2012	21.51	21.54	21.43	21.52	2,632,541	-0.03(-0.16%)
Mar 19, 2012	21.47	21.63	21.35	21.56	2,441,248	+0.03(+0.13%)
Mar 16, 2012	21.44	21.64	21.42	21.53	4,417,585	+0.04(+0.19%)
Mar 15, 2012	21.47	21.54	21.31	21.49	3,235,320	+0.01(+0.06%)
Mar 14, 2012	21.51	21.57	21.40	21.48	2,474,181	-0.09(-0.44%)
Mar 13, 2012	21.48	21.57	21.33	21.57	3,013,731	+0.23(+1.08%)
Mar 12, 2012	21.29	21.37	21.22	21.34	2,113,789	+0.04(+0.19%)
Mar 09, 2012	21.23	21.34	21.10	21.30	3,755,992	+0.13(+0.61%)
Mar 08, 2012	21.12	21.20	21.06	21.17	4,801,983	+0.12(+0.58%)
Mar 07, 2012	21.03	21.11	20.89	21.05	3,153,269	+0.06(+0.29%)
Mar 06, 2012	21.14	21.30	20.97	20.99	3,082,892	-0.27(-1.27%)
Mar 05, 2012	21.16	21.32	21.15	21.26	2,909,183	+0.09(+0.42%)
Mar 02, 2012	21.32	21.47	21.09	21.17	4,800,110	-0.20(-0.92%)
Mar 01, 2012	21.35	21.67	21.29	21.37	5,170,599	+0.20(+0.93%)
Feb 29, 2012	21.23	21.32	21.10	21.17	3,447,714	-0.08(-0.38%)
Feb 28, 2012	21.12	21.27	21.07	21.25	2,979,914	+0.13(+0.61%)
Feb 27, 2012	21.11	21.28	21.06	21.12	2,466,356	-0.13(-0.61%)
Feb 24, 2012	21.26	21.30	21.15	21.25	6,693,339	+0.07(+0.32%)
Feb 23, 2012	21.14	21.23	21.08	21.18	2,458,087	+0.03(+0.16%)
Feb 22, 2012	21.20	21.29	21.11	21.15	2,751,577	-0.03(-0.13%)
Feb 21, 2012	21.29	21.31	21.08	21.18	2,833,344	-0.11(-0.54%)
Feb 17, 2012	21.41	21.49	21.27	21.29	3,028,675	-0.08(-0.38%)
Feb 16, 2012	21.20	21.52	21.17	21.37	3,318,323	+0.28(+1.35%)
Feb 15, 2012	21.25	21.27	21.00	21.09	2,531,210	-0.03(-0.13%)
Feb 14, 2012	21.08	21.17	20.88	21.12	4,042,335	-0.06(-0.29%)
Feb 13, 2012	21.35	21.44	21.12	21.18	2,454,687	+0.00(+0.00%)
Feb 10, 2012	21.31	21.37	21.08	21.18	3,359,301	-0.25(-1.17%)
Feb 09, 2012	21.44	21.48	21.29	21.43	2,249,108	+0.02(+0.09%)
Feb 08, 2012	21.48	21.54	21.31	21.41	2,987,291	-0.03(-0.16%)
Feb 07, 2012	21.41	21.51	21.31	21.44	2,386,801	-0.02(-0.08%)
Feb 06, 2012	21.52	21.57	21.39	21.46	3,069,957	-0.15(-0.70%)
Feb 03, 2012	21.69	21.83	21.59	21.61	4,045,144	+0.24(+1.11%)
Feb 02, 2012	21.54	21.54	21.37	21.37	3,816,966	-0.14(-0.66%)
Feb 01, 2012	21.53	21.63	21.39	21.52	3,959,960	+0.20(+0.95%)
Jan 31, 2012	21.54	21.56	21.18	21.31	3,278,950	-0.04(-0.19%)
Jan 30, 2012	21.41	21.45	21.22	21.35	3,984,398	-0.20(-0.94%)
Jan 27, 2012	21.82	21.92	21.50	21.56	4,031,811	-0.25(-1.14%)
Jan 26, 2012	21.82	21.88	21.66	21.80	13,543,601	+0.07(+0.31%)
Jan 25, 2012	21.62	21.77	21.52	21.74	3,323,269	+0.08(+0.37%)
Jan 24, 2012	21.55	21.71	21.43	21.66	2,558,972	+0.06(+0.28%)
Jan 23, 2012	21.66	21.70	21.38	21.60	2,872,328	-0.04(-0.19%)
Jan 20, 2012	21.68	21.74	21.53	21.64	4,293,648	-0.01(-0.06%)
Jan 19, 2012	21.35	21.74	21.24	21.65	5,381,146	+0.44(+2.08%)
Jan 18, 2012	21.03	21.33	20.91	21.21	5,046,868	+0.31(+1.51%)
Jan 17, 2012	21.08	21.08	20.83	20.89	13,632,394	+0.14(+0.68%)
Jan 13, 2012	20.75	20.79	20.45	20.75	3,307,940	-0.09(-0.42%)
Jan 12, 2012	20.86	20.93	20.67	20.84	2,783,534	+0.00(+0.00%)
Jan 11, 2012	20.83	20.96	20.72	20.84	3,520,570	+0.01(+0.06%)
Jan 10, 2012	20.91	21.05	20.79	20.83	6,018,850	-0.02(-0.10%)
Jan 09, 2012	20.72	20.88	20.66	20.85	8,413,569	+0.23(+1.10%)
Jan 06, 2012	20.70	20.70	20.38	20.62	5,277,987	+0.02(+0.10%)
Jan 05, 2012	20.17	20.72	20.05	20.60	5,591,415	+0.35(+1.75%)
Jan 04, 2012	20.42	20.42	20.08	20.24	4,583,472	+0.08(+0.40%)
Dec 30, 2011	20.21	20.21	20.02	20.16	2,586,908	-0.05(-0.23%)
Dec 29, 2011	20.04	20.22	20.01	20.21	2,078,701	+0.19(+0.97%)
Dec 28, 2011	20.14	20.17	19.93	20.02	2,510,928	-0.12(-0.60%)
Dec 27, 2011	19.95	20.20	19.92	20.14	2,863,145	+0.15(+0.74%)
Dec 23, 2011	19.88	19.99	19.74	19.99	2,535,658	+0.26(+1.32%)
Dec 21, 2011	20.13	20.16	19.26	19.73	8,096,368	-0.52(-2.58%)
Dec 20, 2011	20.18	20.49	20.08	20.25	5,764,398	+0.43(+2.16%)
Dec 19, 2011	19.98	20.22	19.75	19.82	3,504,412	+0.01(+0.03%)
Dec 16, 2011	19.76	20.02	19.72	19.82	4,984,503	+0.16(+0.82%)
Dec 15, 2011	19.76	19.80	19.58	19.65	2,361,823	+0.06(+0.31%)
Dec 14, 2011	19.69	19.84	19.55	19.59	3,290,669	-0.16(-0.81%)
Dec 13, 2011	20.03	20.18	19.66	19.76	3,529,296	-0.17(-0.87%)
Dec 12, 2011	20.01	20.03	19.82	19.93	2,809,940	-0.20(-1.00%)
Dec 09, 2011	19.86	20.24	19.78	20.13	3,166,289	+0.44(+2.21%)
Dec 08, 2011	19.74	19.91	19.65	19.70	3,396,793	-0.15(-0.74%)
Dec 07, 2011	19.78	19.94	19.57	19.84	3,196,244	-0.05(-0.24%)
Dec 06, 2011	19.89	19.98	19.68	19.89	2,725,789	+0.00(+0.00%)
Dec 05, 2011	19.90	20.06	19.73	19.89	3,432,249	+0.32(+1.64%)
Dec 02, 2011	19.74	19.82	19.43	19.57	5,131,584	+0.03(+0.17%)
Dec 01, 2011	19.54	19.62	19.42	19.53	3,058,569	+0.04(+0.21%)
Nov 30, 2011	19.34	19.58	19.19	19.49	7,294,639	+0.70(+3.71%)
Nov 29, 2011	18.78	18.89	18.68	18.80	3,990,403	+0.13(+0.68%)
Nov 28, 2011	18.70	18.82	18.57	18.67	3,457,633	+0.37(+2.01%)
Nov 25, 2011	18.20	18.43	18.15	18.30	2,171,832	+0.07(+0.37%)
Nov 23, 2011	18.44	18.47	18.22	18.24	2,792,252	-0.35(-1.87%)
Nov 22, 2011	18.62	18.72	18.49	18.58	2,633,396	-0.09(-0.50%)
Nov 21, 2011	18.75	18.81	18.56	18.68	3,822,459	-0.22(-1.17%)
Nov 18, 2011	18.99	19.06	18.87	18.90	3,162,817	-0.07(-0.35%)
Nov 17, 2011	19.17	19.23	18.84	18.97	3,839,052	-0.27(-1.43%)
Nov 16, 2011	19.58	19.80	19.21	19.24	5,229,372	-0.45(-2.28%)
Nov 15, 2011	19.50	19.75	19.38	19.69	2,784,215	+0.19(+0.96%)
Nov 14, 2011	19.59	19.68	19.42	19.50	7,819,872	-0.19(-0.95%)
Nov 11, 2011	19.52	19.74	19.50	19.69	2,397,617	+0.42(+2.19%)
Nov 10, 2011	19.41	19.46	19.15	19.27	2,570,345	+0.11(+0.56%)
Nov 09, 2011	19.49	19.49	19.09	19.16	3,703,930	-0.65(-3.28%)
Nov 08, 2011	19.85	19.92	19.51	19.81	4,962,939	+0.05(+0.27%)
Nov 07, 2011	19.72	19.78	19.42	19.76	2,851,886	+0.06(+0.31%)
Nov 04, 2011	19.64	19.72	19.43	19.70	4,147,601	-0.10(-0.51%)
Nov 03, 2011	19.35	19.83	19.30	19.80	5,338,088	+0.58(+3.00%)
Nov 02, 2011	19.24	19.39	19.00	19.22	5,754,344	+0.17(+0.88%)
Nov 01, 2011	18.99	19.36	18.93	19.05	8,033,663	-0.46(-2.37%)
Oct 31, 2011	19.46	19.78	19.43	19.51	4,695,291	-0.15(-0.75%)
Oct 28, 2011	19.71	19.74	19.55	19.66	6,693,559	-0.16(-0.81%)
Oct 27, 2011	19.64	19.95	19.50	19.82	6,974,932	+0.67(+3.49%)
Oct 26, 2011	19.48	19.48	18.80	19.15	5,214,144	+0.20(+1.05%)
Oct 25, 2011	19.20	19.38	18.93	18.95	5,388,451	-0.38(-1.95%)
Oct 24, 2011	19.03	19.44	18.95	19.33	15,262,187	+0.27(+1.39%)
Oct 21, 2011	18.95	19.13	18.80	19.07	14,908,265	+0.33(+1.77%)
Oct 20, 2011	18.87	18.99	18.51	18.74	12,283,719	+0.11(+0.61%)
Oct 19, 2011	18.85	19.06	18.57	18.62	4,776,240	-0.30(-1.58%)
Oct 18, 2011	18.64	19.03	18.48	18.92	3,986,405	+0.33(+1.78%)
Oct 17, 2011	18.84	18.89	18.54	18.59	3,423,283	-0.29(-1.54%)
Oct 14, 2011	18.92	18.95	18.75	18.88	3,636,564	+0.17(+0.92%)
Oct 13, 2011	18.64	18.73	18.52	18.71	3,105,927	-0.03(-0.18%)
Oct 12, 2011	18.69	18.87	18.56	18.74	5,597,692	+0.29(+1.58%)
Oct 11, 2011	18.39	18.52	18.27	18.45	5,167,971	+0.07(+0.36%)
Oct 10, 2011	18.22	18.48	18.15	18.38	5,828,804	+0.42(+2.36%)
Oct 07, 2011	17.87	18.18	17.76	17.96	6,374,823	+0.23(+1.27%)
Oct 06, 2011	17.46	17.74	17.21	17.74	4,237,152	+0.35(+2.02%)
Oct 05, 2011	17.25	17.46	17.03	17.38	5,546,881	+0.23(+1.31%)
Oct 04, 2011	16.70	17.19	16.70	17.16	7,910,824	+0.23(+1.37%)
Oct 03, 2011	17.27	17.57	16.91	16.93	7,118,281	-0.54(-3.11%)
Sep 30, 2011	17.80	17.97	17.46	17.47	5,150,547	-0.49(-2.73%)
Sep 29, 2011	18.13	18.29	17.66	17.96	12,818,970	+0.13(+0.71%)
Sep 28, 2011	18.15	18.16	17.66	17.83	9,711,960	+0.15(+0.86%)
Sep 27, 2011	17.88	18.22	17.64	17.68	7,091,027	+0.07(+0.41%)
Sep 26, 2011	17.44	17.64	17.25	17.61	5,987,899	+0.24(+1.37%)
Sep 23, 2011	17.05	17.40	16.97	17.37	5,801,748	+0.21(+1.24%)
Sep 22, 2011	17.09	17.22	16.91	17.16	8,306,801	-0.32(-1.82%)
Sep 21, 2011	17.99	18.08	17.48	17.48	4,126,723	-0.52(-2.87%)
Sep 20, 2011	18.09	18.32	17.99	17.99	4,091,379	-0.03(-0.18%)
Sep 19, 2011	17.78	18.10	17.65	18.03	3,665,056	+0.09(+0.48%)
Sep 16, 2011	18.07	18.22	17.87	17.94	6,559,661	-0.07(-0.40%)
Sep 15, 2011	17.70	18.05	17.55	18.01	4,367,375	+0.52(+2.97%)
Sep 14, 2011	17.51	17.68	17.19	17.49	6,397,575	+0.09(+0.51%)
Sep 13, 2011	17.38	17.46	17.23	17.40	4,542,808	+0.05(+0.31%)
Sep 12, 2011	16.99	17.38	16.89	17.35	6,979,728	+0.17(+1.00%)
Sep 09, 2011	17.56	17.60	17.06	17.18	5,363,694	-0.46(-2.63%)
Sep 08, 2011	17.67	17.82	17.52	17.64	4,452,711	-0.15(-0.82%)
Sep 07, 2011	17.35	17.80	17.25	17.79	4,339,529	+0.72(+4.19%)
Sep 06, 2011	16.84	17.10	16.73	17.07	3,743,221	-0.20(-1.15%)
Sep 02, 2011	17.54	17.54	17.23	17.27	4,485,151	-0.46(-2.58%)
Sep 01, 2011	17.89	18.09	17.68	17.73	4,991,434	-0.15(-0.82%)
Aug 31, 2011	17.84	18.11	17.82	17.87	5,109,815	+0.09(+0.48%)
Aug 30, 2011	17.50	17.89	17.43	17.79	3,949,364	+0.25(+1.44%)
Aug 29, 2011	17.62	17.67	17.38	17.54	7,235,424	+0.16(+0.91%)
Aug 26, 2011	17.09	17.56	16.89	17.38	4,455,843	+0.23(+1.35%)
Aug 25, 2011	17.45	17.61	17.11	17.15	3,823,387	-0.29(-1.67%)
Aug 24, 2011	16.95	17.44	16.95	17.44	4,292,558	+0.25(+1.43%)
Aug 23, 2011	16.87	17.25	16.77	17.19	9,010,650	+0.45(+2.69%)
Aug 22, 2011	17.21	17.21	16.64	16.74	6,541,093	-0.05(-0.32%)
Aug 19, 2011	16.87	17.22	16.76	16.79	5,505,472	-0.28(-1.67%)
Aug 18, 2011	17.34	17.42	16.89	17.08	6,287,884	-0.70(-3.95%)
Aug 17, 2011	17.97	18.11	17.64	17.78	2,752,533	-0.13(-0.70%)
Aug 16, 2011	18.00	18.00	17.66	17.91	3,783,591	-0.13(-0.73%)
Aug 15, 2011	17.79	18.06	17.72	18.04	3,782,025	+0.38(+2.14%)
Aug 12, 2011	17.61	17.85	17.43	17.66	4,649,946	+0.12(+0.68%)
Aug 11, 2011	17.01	17.74	17.01	17.54	7,472,839	+0.64(+3.80%)
Aug 10, 2011	17.39	17.54	16.89	16.90	13,556,736	-0.81(-4.60%)
Aug 09, 2011	17.46	17.74	16.85	17.72	10,861,439	+0.67(+3.93%)
Aug 08, 2011	17.74	17.98	17.02	17.05	18,841,854	-0.90(-5.02%)
Aug 05, 2011	17.97	18.28	17.58	17.95	10,980,023	+0.25(+1.42%)
Aug 04, 2011	17.89	17.99	17.64	17.70	9,417,576	-0.44(-2.41%)
Aug 03, 2011	17.72	18.17	17.63	18.13	7,500,578	+0.41(+2.32%)
Aug 02, 2011	18.45	18.50	17.70	17.72	7,113,210	-0.76(-4.12%)
Aug 01, 2011	18.82	18.87	18.36	18.48	6,319,448	-0.22(-1.17%)
Jul 29, 2011	18.62	18.95	18.47	18.70	5,798,236	-0.07(-0.35%)
Jul 28, 2011	18.93	18.93	18.72	18.77	5,053,889	-0.10(-0.53%)
Jul 27, 2011	19.26	19.31	18.84	18.87	5,512,286	-0.48(-2.49%)
Jul 26, 2011	19.53	19.53	19.33	19.35	2,990,700	-0.17(-0.89%)
Jul 25, 2011	19.43	19.58	19.34	19.52	2,477,239	-0.07(-0.33%)
Jul 22, 2011	19.57	19.71	19.49	19.59	2,924,761	+0.02(+0.08%)
Jul 21, 2011	19.45	19.76	19.35	19.57	4,483,102	+0.23(+1.17%)
Jul 20, 2011	19.53	19.54	19.30	19.35	2,990,934	-0.15(-0.77%)
Jul 19, 2011	19.37	19.59	19.36	19.50	3,636,498	+0.23(+1.19%)
Jul 18, 2011	19.57	19.69	19.16	19.27	8,472,853	-0.44(-2.23%)
Jul 15, 2011	20.05	20.05	19.61	19.71	13,267,518	-0.29(-1.44%)
Jul 14, 2011	20.18	20.34	19.91	20.00	11,984,342	-0.12(-0.62%)
Jul 13, 2011	20.40	20.46	20.04	20.12	3,849,806	-0.14(-0.68%)
Jul 12, 2011	20.35	20.44	20.22	20.26	4,025,032	-0.03(-0.16%)
Jul 11, 2011	20.34	20.38	20.17	20.29	4,242,451	-0.24(-1.18%)
Jul 08, 2011	20.57	20.68	20.36	20.53	3,819,252	-0.20(-0.95%)
Jul 07, 2011	20.69	20.76	20.66	20.73	4,126,784	+0.19(+0.93%)
Jul 06, 2011	20.31	20.55	20.27	20.54	3,001,815	+0.25(+1.23%)
Jul 05, 2011	20.34	20.43	20.18	20.29	2,247,785	-0.06(-0.29%)
Jul 01, 2011	20.05	20.38	20.05	20.35	3,195,545	+0.22(+1.07%)
Jun 30, 2011	19.95	20.16	19.89	20.13	4,739,666	+0.26(+1.32%)
Jun 29, 2011	20.00	20.00	19.81	19.87	4,914,983	-0.02(-0.10%)
Jun 28, 2011	19.79	19.95	19.67	19.89	4,642,363	+0.15(+0.76%)
Jun 27, 2011	19.65	19.84	19.53	19.74	2,961,909	+0.09(+0.43%)
Jun 24, 2011	20.00	20.03	19.62	19.65	5,383,376	-0.38(-1.90%)
Jun 23, 2011	19.25	20.20	19.20	20.03	9,845,580	+0.56(+2.89%)
Jun 22, 2011	19.60	19.66	19.36	19.47	6,085,072	-0.17(-0.87%)
Jun 21, 2011	19.54	19.67	19.42	19.64	6,828,710	+0.20(+1.01%)
Jun 20, 2011	19.43	19.54	19.34	19.45	2,898,875	+0.03(+0.13%)
Jun 17, 2011	19.54	19.64	19.35	19.42	5,627,772	+0.07(+0.37%)
Jun 16, 2011	19.22	19.39	19.08	19.35	4,336,777	+0.18(+0.96%)
Jun 15, 2011	19.61	19.67	19.11	19.16	6,503,151	-0.65(-3.26%)
Jun 14, 2011	19.69	19.83	19.56	19.81	2,782,139	+0.23(+1.19%)
Jun 13, 2011	19.50	19.68	19.47	19.58	3,687,821	+0.10(+0.54%)
Jun 10, 2011	19.78	19.78	19.46	19.47	4,622,428	-0.34(-1.72%)
Jun 09, 2011	19.91	19.91	19.79	19.81	5,055,134	-0.08(-0.40%)
Jun 08, 2011	19.88	19.92	19.74	19.89	4,139,720	-0.04(-0.20%)
Jun 07, 2011	19.92	20.09	19.84	19.93	5,434,468	+0.05(+0.23%)
Jun 06, 2011	19.94	20.02	19.85	19.88	4,845,516	-0.13(-0.66%)
Jun 03, 2011	20.20	20.26	19.90	20.02	6,735,117	-0.71(-3.42%)
May 24, 2011	20.66	20.79	20.51	20.72	4,051,507	+0.05(+0.25%)
May 23, 2011	20.64	20.73	20.54	20.67	2,629,581	-0.24(-1.16%)
May 20, 2011	20.85	21.04	20.75	20.91	2,955,116	-0.02(-0.09%)
May 19, 2011	21.02	21.07	20.79	20.93	2,953,905	+0.02(+0.09%)
May 18, 2011	20.88	21.05	20.71	20.91	2,734,496	+0.00(+0.00%)
May 17, 2011	20.82	20.95	20.74	20.91	3,193,970	+0.09(+0.41%)
May 16, 2011	21.21	21.21	20.73	20.83	4,506,826	-0.42(-1.97%)
May 13, 2011	21.52	21.53	21.15	21.25	2,349,607	-0.24(-1.10%)
May 12, 2011	21.27	21.54	21.25	21.48	2,905,975	+0.10(+0.49%)
May 11, 2011	21.37	21.44	21.15	21.38	4,114,539	+0.01(+0.06%)
May 10, 2011	21.25	21.38	21.19	21.37	3,097,998	+0.21(+0.99%)
May 09, 2011	20.97	21.20	20.91	21.16	3,202,599	+0.19(+0.91%)
May 06, 2011	21.27	21.36	20.94	20.97	4,697,561	-0.11(-0.53%)
May 05, 2011	21.37	21.37	20.99	21.08	3,786,520	-0.37(-1.74%)
May 04, 2011	21.54	21.63	21.26	21.45	3,628,078	-0.16(-0.76%)
May 03, 2011	21.51	21.61	21.30	21.61	3,994,807	+0.08(+0.36%)

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