Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	52.92	53.79	52.65	53.59	1,417,407	+0.65(+1.24%)
Feb 28, 2012	53.23	53.52	52.93	52.93	1,431,706	-0.28(-0.52%)
Feb 27, 2012	52.92	53.32	52.71	53.21	1,315,552	+0.04(+0.07%)
Feb 24, 2012	52.48	53.22	52.08	53.17	1,806,926	+0.71(+1.36%)
Feb 23, 2012	51.75	52.54	51.69	52.46	1,107,879	+0.76(+1.47%)
Feb 22, 2012	51.30	51.70	51.09	51.70	1,504,126	+0.17(+0.33%)
Feb 21, 2012	52.04	52.10	51.41	51.53	2,206,356	-0.46(-0.88%)
Feb 17, 2012	51.28	52.29	51.28	51.99	3,935,191	+1.05(+2.05%)
Feb 16, 2012	51.39	51.67	50.16	50.94	6,764,139	-4.66(-8.38%)
Feb 15, 2012	56.75	56.89	55.31	55.60	1,082,196	-0.90(-1.60%)
Feb 14, 2012	56.34	56.56	56.10	56.50	475,175	+0.09(+0.16%)
Feb 13, 2012	56.35	56.52	56.13	56.41	570,154	+0.32(+0.57%)
Feb 10, 2012	56.01	56.25	55.81	56.09	436,388	-0.26(-0.47%)
Feb 09, 2012	56.06	56.40	55.92	56.35	705,082	+0.29(+0.52%)
Feb 08, 2012	56.18	56.40	55.94	56.06	764,128	-0.03(-0.05%)
Feb 07, 2012	56.22	56.35	55.96	56.09	378,767	-0.14(-0.25%)
Feb 06, 2012	55.98	56.74	55.97	56.23	404,139	-0.03(-0.05%)
Feb 03, 2012	56.81	56.84	56.16	56.26	389,673	-0.13(-0.23%)
Feb 02, 2012	56.35	56.65	56.21	56.39	478,837	+0.10(+0.18%)
Feb 01, 2012	55.93	56.57	55.93	56.29	704,356	+0.58(+1.04%)
Jan 31, 2012	55.54	55.95	55.31	55.71	851,630	+0.33(+0.59%)
Jan 30, 2012	55.34	55.40	55.00	55.38	556,440	-0.19(-0.34%)
Jan 27, 2012	55.82	56.02	55.41	55.58	1,213,583	-0.30(-0.54%)
Jan 26, 2012	57.33	57.33	55.72	55.88	1,400,458	-1.53(-2.67%)
Jan 25, 2012	57.12	57.56	56.93	57.41	445,638	+0.13(+0.23%)
Jan 24, 2012	57.13	57.34	57.03	57.28	541,772	-0.04(-0.07%)
Jan 23, 2012	56.78	57.46	56.78	57.32	557,340	+0.48(+0.85%)
Jan 20, 2012	57.10	57.29	56.08	56.84	1,005,975	-0.47(-0.81%)
Jan 19, 2012	57.29	57.43	57.10	57.31	582,635	-0.01(-0.01%)
Jan 18, 2012	56.75	57.34	56.63	57.31	681,355	+0.57(+1.00%)
Jan 17, 2012	56.10	56.86	56.10	56.75	695,949	+1.00(+1.80%)
Jan 13, 2012	55.82	55.87	55.41	55.75	377,202	-0.18(-0.32%)
Jan 12, 2012	55.82	56.03	55.39	55.92	650,710	+0.19(+0.34%)
Jan 11, 2012	55.51	55.73	55.30	55.73	420,519	+0.01(+0.01%)
Jan 10, 2012	55.31	55.91	55.16	55.72	453,697	+0.59(+1.08%)
Jan 09, 2012	54.88	55.26	54.64	55.13	400,863	+0.38(+0.70%)
Jan 06, 2012	55.02	55.05	54.63	54.75	455,811	-0.18(-0.33%)
Jan 05, 2012	54.54	55.05	54.49	54.93	992,148	+0.28(+0.52%)
Jan 04, 2012	54.45	55.05	54.34	54.65	844,681	-0.63(-1.14%)
Dec 30, 2011	55.65	55.73	55.24	55.28	361,454	-0.33(-0.59%)
Dec 29, 2011	55.60	55.72	55.32	55.60	557,791	+0.19(+0.34%)
Dec 28, 2011	55.68	55.68	55.31	55.41	410,459	-0.25(-0.46%)
Dec 27, 2011	55.77	55.85	55.57	55.67	370,469	-0.06(-0.10%)
Dec 23, 2011	55.54	55.74	55.28	55.72	338,247	+0.06(+0.11%)
Dec 21, 2011	55.53	56.04	55.36	55.66	940,024	+0.23(+0.41%)
Dec 20, 2011	54.71	55.47	54.52	55.43	868,743	+1.25(+2.31%)
Dec 19, 2011	54.44	54.85	54.05	54.18	781,626	-0.10(-0.18%)
Dec 16, 2011	54.49	54.70	54.13	54.28	1,025,363	+0.17(+0.31%)
Dec 15, 2011	54.32	54.59	54.03	54.11	602,854	+0.09(+0.17%)
Dec 14, 2011	53.94	54.40	53.77	54.02	1,023,762	+0.08(+0.14%)
Dec 13, 2011	54.18	54.59	53.75	53.94	668,222	-0.14(-0.26%)
Dec 12, 2011	54.73	54.87	53.93	54.08	667,819	-0.66(-1.21%)
Dec 09, 2011	54.07	55.08	54.01	54.75	772,679	+0.90(+1.67%)
Dec 08, 2011	54.02	54.30	53.74	53.85	824,223	-0.31(-0.57%)
Dec 07, 2011	54.03	54.42	53.68	54.16	1,006,308	-0.06(-0.10%)
Dec 06, 2011	53.69	54.34	53.50	54.22	715,502	+0.47(+0.87%)
Dec 05, 2011	53.44	54.03	53.35	53.75	843,988	+0.78(+1.48%)
Dec 02, 2011	53.30	53.57	52.94	52.97	1,055,355	-0.13(-0.24%)

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