Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	56.47	56.85	56.15	56.84	1,517,986	+0.10(+0.18%)
Apr 27, 2012	56.69	57.06	56.40	56.74	1,860,673	+0.18(+0.32%)
Apr 26, 2012	56.21	56.78	55.98	56.55	1,520,419	+0.34(+0.60%)
Apr 25, 2012	54.27	56.32	54.27	56.21	2,534,510	+2.39(+4.44%)
Apr 24, 2012	54.35	54.45	53.58	53.82	1,522,913	-0.54(-0.99%)
Apr 23, 2012	54.93	55.09	53.88	54.36	1,843,644	-1.33(-2.39%)
Apr 20, 2012	54.77	56.24	54.77	55.69	1,719,650	+1.09(+1.99%)
Apr 19, 2012	54.89	55.18	54.27	54.60	1,241,303	-0.24(-0.44%)
Apr 18, 2012	54.74	54.98	54.56	54.85	1,684,132	-0.18(-0.33%)
Apr 17, 2012	54.80	55.16	54.35	55.03	971,923	+0.51(+0.94%)
Apr 16, 2012	54.75	55.07	53.95	54.52	1,756,421	-0.24(-0.44%)
Apr 13, 2012	54.19	54.91	53.70	54.76	1,893,967	+0.48(+0.88%)
Apr 12, 2012	53.13	54.39	52.93	54.28	1,906,416	+1.27(+2.40%)
Apr 11, 2012	53.31	53.49	52.93	53.01	1,691,369	+0.14(+0.26%)
Apr 10, 2012	54.10	54.13	52.80	52.87	1,682,870	-1.19(-2.20%)
Apr 09, 2012	54.12	54.29	53.81	54.07	1,016,957	-0.86(-1.57%)
Apr 05, 2012	54.07	55.04	53.73	54.93	1,598,758	+0.70(+1.30%)
Apr 04, 2012	54.20	54.66	53.96	54.22	1,411,748	-0.27(-0.49%)
Apr 03, 2012	54.27	54.80	54.04	54.49	1,639,746	+0.23(+0.42%)
Apr 02, 2012	54.06	54.61	53.97	54.27	1,936,718	+0.39(+0.73%)
Mar 30, 2012	54.55	54.55	53.83	53.87	1,680,438	-0.25(-0.47%)
Mar 29, 2012	53.87	54.18	53.52	54.13	1,194,201	-0.02(-0.03%)
Mar 28, 2012	54.33	54.60	53.62	54.14	1,942,405	-0.28(-0.51%)
Mar 27, 2012	54.67	54.98	54.34	54.42	2,060,505	-0.06(-0.11%)
Mar 26, 2012	54.43	54.70	54.27	54.48	2,056,971	+0.34(+0.63%)
Mar 23, 2012	54.15	54.27	53.65	54.14	1,540,002	-0.11(-0.21%)
Mar 22, 2012	54.20	54.55	54.11	54.26	1,690,713	-0.33(-0.61%)
Mar 21, 2012	54.30	54.83	54.13	54.59	1,439,799	+0.46(+0.85%)
Mar 20, 2012	54.13	54.65	54.01	54.13	1,638,533	-0.52(-0.95%)
Mar 19, 2012	55.20	55.21	54.24	54.65	2,370,493	-0.73(-1.32%)
Mar 16, 2012	54.72	55.60	53.97	55.38	5,457,660	+0.25(+0.46%)
Mar 15, 2012	54.28	55.59	54.09	55.13	3,837,855	+0.89(+1.64%)
Mar 14, 2012	53.59	54.26	53.50	54.24	2,679,900	+0.54(+1.00%)
Mar 13, 2012	52.45	53.75	52.33	53.70	3,274,885	+1.70(+3.26%)
Mar 12, 2012	51.52	52.23	51.14	52.00	2,243,457	+0.63(+1.22%)
Mar 09, 2012	51.30	51.39	50.93	51.38	1,678,018	+0.14(+0.27%)
Mar 08, 2012	51.08	51.40	50.90	51.24	2,401,043	+0.45(+0.89%)
Mar 07, 2012	50.51	50.86	50.34	50.79	4,324,309	+0.25(+0.50%)
Mar 06, 2012	50.64	50.75	50.12	50.53	3,255,233	-0.65(-1.27%)
Mar 05, 2012	50.53	51.39	50.49	51.19	1,952,893	+0.43(+0.86%)
Mar 02, 2012	50.76	50.82	50.53	50.75	2,301,012	-0.26(-0.51%)
Mar 01, 2012	50.78	51.24	50.65	51.01	3,073,501	+0.10(+0.19%)
Feb 29, 2012	50.66	51.14	50.45	50.92	3,025,811	+0.21(+0.41%)
Feb 28, 2012	50.42	50.75	50.19	50.71	2,668,233	+0.43(+0.87%)
Feb 27, 2012	49.10	50.35	49.07	50.27	2,431,364	+0.84(+1.69%)
Feb 24, 2012	49.93	49.93	49.01	49.44	1,604,012	-0.43(-0.87%)
Feb 23, 2012	49.06	50.02	48.82	49.87	2,035,326	+0.82(+1.67%)
Feb 22, 2012	48.56	49.32	48.46	49.06	1,165,408	+0.23(+0.46%)
Feb 21, 2012	48.75	49.15	48.36	48.83	1,902,598	+0.09(+0.18%)
Feb 17, 2012	49.03	49.11	48.57	48.74	1,523,751	-0.03(-0.07%)
Feb 16, 2012	48.08	49.06	47.95	48.78	1,662,901	+0.78(+1.63%)
Feb 15, 2012	48.28	49.07	47.93	47.99	2,784,353	+0.02(+0.04%)
Feb 14, 2012	47.55	48.20	47.45	47.98	3,289,837	-0.30(-0.61%)
Feb 13, 2012	49.05	49.16	48.18	48.27	4,138,518	-1.22(-2.46%)
Feb 10, 2012	49.66	49.95	49.39	49.49	1,566,360	-0.65(-1.30%)
Feb 09, 2012	49.58	50.17	49.12	50.14	2,091,301	+0.50(+1.02%)
Feb 08, 2012	49.74	49.99	49.25	49.64	2,330,049	-0.32(-0.64%)
Feb 07, 2012	49.48	50.17	48.86	49.96	2,541,906	+0.03(+0.05%)
Feb 06, 2012	49.71	50.39	49.40	49.93	3,752,292	-0.06(-0.12%)
Feb 03, 2012	48.27	50.74	46.97	49.99	11,387,546	-1.19(-2.33%)
Feb 02, 2012	51.43	51.75	50.58	51.19	2,645,995	-0.04(-0.08%)

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