Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	22.25	22.41	22.20	22.39	26,203	+0.01(+0.05%)
Apr 27, 2012	22.49	22.49	22.32	22.38	1,675	+0.13(+0.58%)
Apr 26, 2012	22.24	22.27	22.21	22.25	9,211	+0.09(+0.41%)
Apr 25, 2012	21.95	22.20	21.95	22.16	8,847	+0.14(+0.62%)
Apr 24, 2012	22.08	22.08	22.02	22.02	57,897	-0.01(-0.03%)
Apr 23, 2012	21.90	22.03	21.90	22.03	22,912	-0.08(-0.36%)
Apr 20, 2012	22.14	22.14	22.11	22.11	469	+0.14(+0.64%)
Apr 19, 2012	21.74	22.03	21.74	21.97	7,384	+0.05(+0.24%)
Apr 18, 2012	21.97	22.12	21.84	21.92	12,762	-0.20(-0.91%)
Apr 17, 2012	22.06	22.14	22.06	22.12	2,154	+0.05(+0.23%)
Apr 16, 2012	22.20	22.20	22.00	22.07	21,388	-0.17(-0.76%)
Apr 13, 2012	22.39	22.39	22.20	22.24	2,848	-0.31(-1.38%)
Apr 12, 2012	22.25	22.55	22.25	22.55	3,012	+0.27(+1.21%)
Apr 11, 2012	22.25	22.28	22.25	22.28	596	+0.13(+0.59%)
Apr 10, 2012	22.25	22.26	22.15	22.15	2,048	-0.33(-1.47%)
Apr 09, 2012	22.32	22.88	22.32	22.48	67,378	-0.14(-0.60%)
Apr 05, 2012	23.12	23.12	22.49	22.62	3,192	+0.01(+0.03%)
Apr 04, 2012	22.92	22.64	22.49	22.61	12,386	-0.21(-0.92%)
Apr 03, 2012	22.86	22.93	22.80	22.82	3,264	-0.12(-0.53%)
Apr 02, 2012	22.70	22.94	22.70	22.94	7,953	+0.26(+1.15%)
Mar 30, 2012	22.83	23.00	22.54	22.68	8,424	+0.32(+1.45%)
Mar 29, 2012	22.60	22.60	22.32	22.36	10,391	-0.31(-1.38%)
Mar 28, 2012	22.73	22.73	22.64	22.67	12,080	-0.24(-1.05%)
Mar 27, 2012	22.99	23.00	22.77	22.91	8,167	-0.08(-0.35%)
Mar 26, 2012	23.04	23.05	22.97	22.99	11,253	+0.10(+0.44%)
Mar 23, 2012	22.89	22.97	22.72	22.89	6,199	+0.20(+0.88%)
Mar 22, 2012	22.90	22.91	22.64	22.69	5,542	-0.24(-1.05%)
Mar 21, 2012	22.99	23.01	22.92	22.93	12,490	-0.03(-0.13%)
Mar 20, 2012	23.11	23.11	22.91	22.96	23,400	-0.27(-1.16%)
Mar 19, 2012	23.23	23.29	23.18	23.23	6,380	-0.04(-0.17%)
Mar 16, 2012	23.17	23.27	23.15	23.27	14,750	+0.15(+0.65%)
Mar 15, 2012	23.14	23.14	23.08	23.12	20,465	+0.19(+0.83%)
Mar 14, 2012	23.08	23.08	22.93	22.93	15,455	-0.23(-1.01%)
Mar 13, 2012	23.05	23.20	23.05	23.16	7,465	+0.18(+0.77%)
Mar 12, 2012	22.96	23.00	22.91	22.99	16,482	-0.05(-0.23%)
Mar 09, 2012	23.06	23.07	23.04	23.04	9,300	+0.11(+0.48%)
Mar 08, 2012	22.92	22.94	22.85	22.93	22,897	+0.17(+0.73%)
Mar 07, 2012	22.79	22.79	22.72	22.76	4,713	+0.00(+0.02%)
Mar 06, 2012	22.72	22.88	22.71	22.76	38,678	-0.42(-1.81%)
Mar 05, 2012	23.25	23.25	23.12	23.18	77,115	-0.10(-0.43%)
Mar 02, 2012	23.50	23.50	23.19	23.28	81,374	-0.22(-0.94%)
Mar 01, 2012	23.29	23.64	23.26	23.50	61,418	+0.23(+0.99%)
Feb 29, 2012	23.43	23.43	23.02	23.27	18,593	-0.03(-0.13%)
Feb 28, 2012	23.39	23.57	23.25	23.30	43,305	+0.01(+0.04%)
Feb 27, 2012	23.36	23.46	23.29	23.29	62,272	-0.17(-0.72%)
Feb 24, 2012	23.43	23.46	23.40	23.46	7,158	+0.19(+0.82%)
Feb 23, 2012	23.13	23.27	23.09	23.27	17,697	+0.02(+0.09%)
Feb 22, 2012	23.16	23.25	23.14	23.25	6,932	+0.10(+0.43%)
Feb 21, 2012	23.02	23.17	23.01	23.15	3,780	+0.35(+1.54%)
Feb 17, 2012	22.86	22.86	22.75	22.80	10,506	+0.05(+0.22%)
Feb 16, 2012	22.62	22.79	22.62	22.75	10,445	+0.07(+0.31%)
Feb 15, 2012	22.70	22.78	22.68	22.68	46,527	-0.08(-0.35%)
Feb 14, 2012	22.78	22.78	22.67	22.76	18,657	-0.03(-0.13%)
Feb 13, 2012	22.80	22.80	22.70	22.79	4,085	+0.04(+0.17%)
Feb 10, 2012	22.60	23.04	22.50	22.75	13,632	-0.15(-0.66%)
Feb 09, 2012	23.00	23.11	22.90	22.90	5,890	+0.01(+0.05%)
Feb 08, 2012	22.84	22.91	22.80	22.89	4,598	+0.03(+0.13%)
Feb 07, 2012	22.81	22.86	22.80	22.86	363,757	+0.02(+0.09%)
Feb 06, 2012	22.69	22.84	22.67	22.84	4,150	+0.16(+0.71%)
Feb 03, 2012	22.65	22.73	22.60	22.68	3,095	+0.19(+0.85%)
Feb 02, 2012	22.44	22.53	22.39	22.49	90,705	-0.01(-0.04%)
Feb 01, 2012	22.40	22.54	22.40	22.50	25,940	+0.09(+0.40%)
Jan 31, 2012	22.40	22.41	22.40	22.41	1,320	-0.09(-0.40%)
Jan 30, 2012	22.55	22.59	22.45	22.50	12,928	-0.28(-1.23%)
Jan 27, 2012	22.70	22.78	22.70	22.78	7,085	+0.08(+0.35%)
Jan 26, 2012	22.85	22.87	22.68	22.70	8,907	+0.05(+0.22%)
Jan 25, 2012	22.33	22.67	22.33	22.65	10,013	+0.18(+0.80%)
Jan 24, 2012	22.45	22.48	22.43	22.47	1,760	+0.05(+0.22%)
Jan 23, 2012	22.29	22.42	22.28	22.42	9,908	+0.32(+1.47%)
Jan 20, 2012	22.15	22.17	22.04	22.09	29,041	-0.14(-0.61%)
Jan 19, 2012	22.21	22.26	22.11	22.23	3,613	+0.14(+0.64%)
Jan 18, 2012	22.09	22.12	22.05	22.09	18,180	+0.02(+0.08%)
Jan 17, 2012	22.10	22.13	22.00	22.07	141,492	+0.24(+1.10%)
Jan 13, 2012	21.75	22.09	21.73	21.83	27,428	-0.20(-0.91%)
Jan 12, 2012	22.14	22.37	22.03	22.03	40,164	-0.06(-0.27%)
Jan 11, 2012	22.03	22.14	22.02	22.09	84,514	-0.09(-0.40%)
Jan 10, 2012	22.24	22.24	22.17	22.18	18,143	+0.17(+0.77%)
Jan 09, 2012	22.00	22.03	21.87	22.01	14,596	+0.09(+0.41%)
Jan 06, 2012	22.00	22.00	21.81	21.92	1,117	+0.14(+0.64%)
Jan 05, 2012	21.91	21.98	21.75	21.78	5,480	-0.36(-1.63%)
Jan 04, 2012	22.06	22.27	22.03	22.14	6,538	+0.58(+2.70%)
Dec 30, 2011	21.47	21.62	21.41	21.56	50,348	+0.12(+0.55%)
Dec 29, 2011	21.43	21.55	21.33	21.44	364,673	+0.03(+0.14%)
Dec 28, 2011	21.56	21.62	20.98	21.41	132,187	-0.37(-1.70%)
Dec 27, 2011	21.56	21.84	21.56	21.78	64,327	+0.24(+1.11%)
Dec 23, 2011	21.56	21.73	21.54	21.54	49,203	+0.14(+0.65%)
Dec 21, 2011	21.18	21.45	21.18	21.40	68,538	+0.12(+0.56%)
Dec 20, 2011	21.23	21.32	21.19	21.28	17,328	+0.50(+2.41%)
Dec 19, 2011	20.92	20.95	20.75	20.78	27,512	-0.04(-0.19%)
Dec 16, 2011	20.98	20.98	20.81	20.82	11,430	+0.07(+0.34%)
Dec 15, 2011	20.88	20.88	20.75	20.75	8,438	-0.01(-0.05%)
Dec 14, 2011	21.12	21.12	20.65	20.76	26,827	-0.76(-3.53%)
Dec 13, 2011	21.62	21.62	21.38	21.52	51,596	+0.07(+0.33%)
Dec 12, 2011	21.42	21.54	21.22	21.45	28,122	-0.29(-1.33%)
Dec 09, 2011	21.71	21.78	21.51	21.74	8,300	+0.07(+0.32%)
Dec 08, 2011	21.85	21.85	21.56	21.67	33,897	-0.16(-0.73%)
Dec 07, 2011	22.05	22.05	21.81	21.83	13,050	-0.27(-1.22%)
Dec 06, 2011	21.93	22.10	21.83	22.10	60,084	+0.19(+0.87%)
Dec 05, 2011	22.12	22.17	21.91	21.91	87,572	-0.23(-1.03%)
Dec 02, 2011	22.10	22.14	22.04	22.14	7,532	+0.22(+1.00%)
Dec 01, 2011	21.85	21.92	21.85	21.92	1,695	-0.08(-0.36%)
Nov 30, 2011	22.32	22.32	21.97	22.00	12,745	+0.36(+1.66%)
Nov 29, 2011	21.55	21.68	21.54	21.64	15,564	+0.05(+0.23%)
Nov 28, 2011	21.58	21.61	21.50	21.59	20,750	+0.28(+1.31%)
Nov 25, 2011	21.22	21.35	21.21	21.31	17,202	-0.05(-0.23%)
Nov 23, 2011	21.35	21.42	21.29	21.36	18,732	-0.35(-1.61%)
Nov 22, 2011	21.61	21.74	21.52	21.71	23,490	+0.19(+0.88%)
Nov 21, 2011	21.30	21.65	21.30	21.52	39,657	-0.24(-1.11%)
Nov 18, 2011	21.91	21.96	21.71	21.76	87,243	-0.06(-0.27%)
Nov 17, 2011	22.17	22.17	21.78	21.82	2,356	-0.48(-2.15%)
Nov 16, 2011	22.20	22.43	22.17	22.30	73,443	-0.04(-0.18%)
Nov 15, 2011	22.29	22.38	22.27	22.34	14,675	+0.13(+0.59%)
Nov 14, 2011	22.25	22.30	22.15	22.21	7,900	-0.13(-0.58%)
Nov 11, 2011	22.31	22.34	22.25	22.34	328,743	+0.18(+0.81%)
Nov 10, 2011	22.28	22.28	22.04	22.16	3,650	-0.30(-1.34%)
Nov 09, 2011	22.37	22.46	22.37	22.46	300	-0.15(-0.67%)
Nov 08, 2011	22.50	22.77	22.49	22.61	1,405	+0.13(+0.59%)
Nov 07, 2011	22.58	23.01	22.41	22.48	27,557	-0.15(-0.66%)
Nov 04, 2011	22.46	22.63	22.34	22.63	5,638	+0.19(+0.85%)
Nov 03, 2011	22.36	22.44	22.27	22.44	5,385	+0.23(+1.04%)
Nov 02, 2011	22.33	22.49	22.21	22.21	720	+0.10(+0.45%)
Nov 01, 2011	22.02	22.11	21.77	22.11	12,557	-0.36(-1.60%)
Oct 31, 2011	22.38	22.70	22.38	22.47	7,783	-0.48(-2.09%)
Oct 28, 2011	22.93	23.01	22.85	22.95	26,292	+0.01(+0.04%)
Oct 27, 2011	22.59	23.06	22.59	22.94	28,723	+0.82(+3.71%)
Oct 26, 2011	22.34	22.34	22.06	22.12	21,196	-0.14(-0.63%)
Oct 25, 2011	22.30	22.34	22.23	22.26	11,475	-0.06(-0.27%)
Oct 24, 2011	22.10	22.32	22.04	22.32	73,333	+0.60(+2.76%)
Oct 21, 2011	21.79	21.86	21.68	21.72	10,351	+0.20(+0.93%)
Oct 20, 2011	21.37	21.52	21.27	21.52	4,677	-0.18(-0.83%)
Oct 19, 2011	21.97	21.97	21.58	21.70	4,053	-0.46(-2.08%)
Oct 18, 2011	21.93	22.18	21.93	22.16	8,436	-0.16(-0.72%)
Oct 14, 2011	22.20	22.32	22.32	22.32	3,800	+0.47(+2.15%)
Oct 13, 2011	21.67	21.85	21.67	21.85	1,300	+0.03(+0.14%)
Oct 12, 2011	21.97	21.98	21.82	21.82	17,229	-0.01(-0.05%)
Oct 11, 2011	21.75	21.90	21.43	21.83	22,998	+0.16(+0.74%)
Oct 10, 2011	21.60	21.75	21.56	21.67	14,245	+0.38(+1.78%)
Oct 07, 2011	21.31	21.46	21.23	21.29	10,964	+0.01(+0.05%)
Oct 06, 2011	21.10	21.41	21.09	21.28	10,772	+0.33(+1.58%)
Oct 05, 2011	20.69	20.98	20.52	20.95	14,383	+0.16(+0.77%)
Oct 04, 2011	20.35	20.79	19.89	20.79	25,210	+0.00(+0.00%)
Oct 03, 2011	20.64	21.06	20.45	20.79	78,915	+0.03(+0.14%)
Sep 30, 2011	21.23	21.23	20.76	20.76	36,546	-0.75(-3.49%)
Sep 29, 2011	21.40	21.69	21.40	21.51	320,704	+0.33(+1.54%)
Sep 28, 2011	21.74	21.79	21.15	21.18	28,915	-0.73(-3.31%)
Sep 27, 2011	22.02	22.07	21.87	21.91	5,561	+0.39(+1.81%)
Sep 26, 2011	21.36	21.52	21.36	21.52	16,589	+0.10(+0.47%)
Sep 23, 2011	21.55	21.73	21.36	21.42	17,312	-0.35(-1.61%)
Sep 22, 2011	22.08	22.31	21.76	21.77	14,917	-1.11(-4.85%)
Sep 21, 2011	22.70	23.13	22.70	22.88	3,187	-0.18(-0.78%)
Sep 20, 2011	23.25	23.34	23.04	23.06	2,401	-0.06(-0.26%)
Sep 19, 2011	23.41	23.41	23.05	23.12	27,244	-0.48(-2.03%)
Sep 16, 2011	23.72	23.88	23.59	23.60	12,035	-0.19(-0.80%)
Sep 15, 2011	23.89	24.01	23.72	23.79	12,893	+0.14(+0.59%)
Sep 14, 2011	23.69	23.76	23.65	23.65	8,040	-0.25(-1.05%)
Sep 13, 2011	23.94	23.94	23.82	23.90	36,860	+0.05(+0.21%)
Sep 12, 2011	23.65	23.95	23.63	23.85	9,660	-0.14(-0.58%)
Sep 09, 2011	24.00	24.00	23.80	23.99	3,540	-0.37(-1.52%)
Sep 08, 2011	24.24	24.43	24.22	24.36	5,253	+0.05(+0.22%)
Sep 07, 2011	24.45	24.45	24.23	24.31	23,667	+0.18(+0.73%)
Sep 06, 2011	23.95	24.13	23.75	24.13	2,091	-0.12(-0.49%)
Sep 02, 2011	24.10	24.47	24.04	24.25	27,333	-0.17(-0.70%)
Sep 01, 2011	24.38	24.59	24.37	24.42	6,971	-0.18(-0.73%)
Aug 31, 2011	24.76	24.85	24.53	24.60	52,279	+0.00(+0.00%)
Aug 30, 2011	24.39	24.75	24.35	24.60	536,324	+0.19(+0.78%)
Aug 29, 2011	24.15	24.52	24.14	24.41	161,303	+0.28(+1.16%)
Aug 26, 2011	23.30	24.20	23.30	24.13	78,541	+0.30(+1.27%)
Aug 25, 2011	23.89	23.90	23.81	23.83	12,402	-0.06(-0.24%)
Aug 24, 2011	23.76	24.15	23.76	23.89	42,915	-0.04(-0.18%)
Aug 23, 2011	23.89	24.45	23.78	23.93	24,055	+0.13(+0.55%)
Aug 22, 2011	24.02	24.02	23.57	23.80	4,210	-0.00(-0.00%)
Aug 19, 2011	23.76	23.80	23.67	23.80	4,261	+0.41(+1.73%)
Aug 18, 2011	23.77	23.77	23.34	23.39	25,253	-0.63(-2.64%)
Aug 17, 2011	24.02	24.06	24.02	24.03	8,925	+0.34(+1.45%)
Aug 16, 2011	23.80	23.83	23.69	23.69	1,828	+0.01(+0.04%)
Aug 15, 2011	23.58	23.73	23.58	23.68	5,721	+0.21(+0.88%)
Aug 12, 2011	23.64	23.64	23.40	23.47	7,211	-0.21(-0.89%)
Aug 11, 2011	23.08	23.68	23.08	23.68	50,415	+0.65(+2.83%)
Aug 10, 2011	23.00	23.11	22.99	23.03	14,340	-0.02(-0.09%)
Aug 09, 2011	23.25	23.19	22.84	23.05	135,205	+0.12(+0.52%)
Aug 08, 2011	23.25	23.38	22.00	22.93	45,239	-0.64(-2.72%)
Aug 05, 2011	23.79	23.79	23.42	23.57	20,577	-0.19(-0.79%)
Aug 04, 2011	24.21	24.21	23.73	23.76	13,749	-0.77(-3.15%)
Aug 03, 2011	24.66	24.66	24.32	24.53	17,766	-0.38(-1.53%)
Aug 02, 2011	24.78	24.98	24.73	24.91	52,662	+0.07(+0.28%)
Aug 01, 2011	25.18	25.18	24.59	24.84	77,631	-0.05(-0.20%)
Jul 29, 2011	24.73	24.91	24.72	24.89	13,710	-0.10(-0.41%)
Jul 28, 2011	25.10	25.18	24.95	24.99	10,635	-0.20(-0.80%)
Jul 27, 2011	25.24	25.24	25.03	25.19	3,657	-0.15(-0.58%)
Jul 26, 2011	25.02	25.37	25.00	25.34	28,252	+0.39(+1.56%)
Jul 25, 2011	25.10	25.10	24.87	24.95	47,596	-0.24(-0.95%)
Jul 22, 2011	25.06	25.20	25.00	25.19	3,988	+0.24(+0.96%)
Jul 21, 2011	25.11	25.11	24.90	24.95	15,420	-0.05(-0.20%)
Jul 20, 2011	25.04	25.04	25.00	25.00	2,711	-0.05(-0.20%)
Jul 19, 2011	25.14	25.14	25.00	25.05	2,600	+0.22(+0.89%)
Jul 18, 2011	24.66	24.83	24.64	24.83	1,652	-0.20(-0.80%)
Jul 15, 2011	24.95	26.52	24.89	25.03	19,762	+0.29(+1.18%)
Jul 14, 2011	24.98	25.01	24.71	24.74	2,629	-0.25(-1.01%)
Jul 13, 2011	24.72	25.13	24.71	24.99	10,532	+0.30(+1.22%)
Jul 12, 2011	24.22	24.80	24.22	24.69	31,123	+0.36(+1.48%)
Jul 11, 2011	24.50	24.50	24.25	24.33	5,254	-0.20(-0.82%)
Jul 08, 2011	24.52	24.53	24.52	24.53	47,610	-0.17(-0.69%)
Jul 07, 2011	24.60	24.80	24.57	24.70	26,614	+0.50(+2.07%)
Jul 06, 2011	24.24	24.27	24.20	24.20	2,375	-0.19(-0.78%)
Jul 05, 2011	24.19	24.39	24.13	24.39	3,990	+0.29(+1.20%)
Jul 01, 2011	23.73	24.11	23.73	24.10	13,335	+0.25(+1.05%)
Jun 30, 2011	23.98	23.98	23.79	23.85	15,391	-0.25(-1.04%)
Jun 29, 2011	24.00	24.15	24.00	24.10	5,330	+0.34(+1.43%)
Jun 28, 2011	23.70	23.76	23.59	23.76	968	+0.27(+1.15%)
Jun 27, 2011	23.54	23.54	23.12	23.49	8,734	+0.05(+0.21%)
Jun 24, 2011	23.48	23.60	23.25	23.44	9,303	-0.08(-0.34%)
Jun 23, 2011	23.57	23.61	23.29	23.52	3,303	-0.46(-1.92%)
Jun 22, 2011	23.90	24.00	23.75	23.98	4,307	-0.03(-0.12%)
Jun 21, 2011	24.15	24.15	23.81	24.01	11,024	+0.19(+0.80%)
Jun 20, 2011	23.89	23.94	23.82	23.82	14,369	-0.18(-0.75%)
Jun 17, 2011	23.95	24.00	23.86	24.00	7,124	+0.12(+0.50%)
Jun 16, 2011	24.01	24.62	23.88	23.88	50,884	-0.17(-0.71%)
Jun 15, 2011	24.42	24.58	23.95	24.05	10,229	-0.45(-1.84%)
Jun 14, 2011	24.60	24.60	24.50	24.50	3,486	+0.12(+0.49%)
Jun 13, 2011	24.66	24.66	24.37	24.38	4,930	-0.16(-0.65%)
Jun 10, 2011	24.45	24.64	24.39	24.54	10,209	-0.09(-0.37%)
Jun 08, 2011	24.59	24.63	24.63	24.63	5,200	+0.03(+0.13%)
Jun 07, 2011	24.38	24.60	24.35	24.60	83,651	+0.34(+1.40%)
Jun 06, 2011	24.54	24.55	24.24	24.26	30,800	-0.29(-1.18%)
Jun 03, 2011	24.28	24.55	24.28	24.55	37,606	+0.75(+3.15%)
May 24, 2011	23.90	23.98	23.80	23.80	10,835	+0.24(+1.02%)
May 23, 2011	23.80	23.80	23.34	23.56	16,799	-0.34(-1.42%)
May 20, 2011	23.68	23.92	23.59	23.90	11,445	+0.13(+0.55%)
May 19, 2011	23.90	23.90	23.65	23.77	179,737	-0.09(-0.36%)
May 18, 2011	23.57	24.11	23.57	23.86	27,517	+0.47(+1.99%)
May 17, 2011	23.30	23.51	23.10	23.39	28,864	-0.06(-0.26%)
May 16, 2011	23.49	23.65	23.45	23.45	6,000	-0.15(-0.64%)
May 13, 2011	23.64	23.78	23.52	23.60	4,345	-0.20(-0.84%)
May 12, 2011	23.73	24.06	23.26	23.80	19,555	+0.50(+2.15%)
May 11, 2011	24.24	24.24	23.30	23.30	17,543	-1.09(-4.47%)
May 10, 2011	24.10	24.41	24.10	24.39	12,432	+0.35(+1.46%)
May 09, 2011	23.54	24.41	23.54	24.04	8,487	+0.34(+1.43%)
May 06, 2011	23.44	24.16	23.44	23.70	16,497	+0.35(+1.50%)
May 05, 2011	24.02	24.18	23.20	23.35	22,882	-1.53(-6.15%)
May 04, 2011	25.00	25.01	24.73	24.88	13,144	-0.44(-1.73%)
May 03, 2011	25.47	25.48	25.31	25.32	1,880	-0.31(-1.22%)

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