Date	Open	High	Low	Close	Volume	Change (%)
Mar 30, 2012	57.98	58.10	57.47	57.89	754,266	+0.19(+0.33%)
Mar 29, 2012	57.47	57.70	57.12	57.70	848,496	+0.06(+0.10%)
Mar 28, 2012	57.44	57.66	57.31	57.64	634,192	+0.26(+0.46%)
Mar 27, 2012	56.97	57.40	56.97	57.38	686,490	+0.32(+0.56%)
Mar 26, 2012	57.14	57.44	56.88	57.06	895,842	+0.14(+0.24%)
Mar 23, 2012	56.63	57.09	56.56	56.92	1,060,735	+0.36(+0.63%)
Mar 22, 2012	56.12	56.58	55.88	56.56	1,063,779	+0.22(+0.39%)
Mar 21, 2012	56.21	56.60	55.82	56.34	1,374,955	+0.05(+0.09%)
Mar 20, 2012	55.50	56.37	55.35	56.29	1,095,433	+0.41(+0.73%)
Mar 19, 2012	55.28	56.02	55.13	55.89	1,029,997	+0.33(+0.60%)
Mar 16, 2012	55.29	55.70	55.08	55.55	1,601,038	+0.23(+0.41%)
Mar 15, 2012	54.37	55.33	54.19	55.33	1,520,830	+1.26(+2.33%)
Mar 14, 2012	54.15	54.35	53.91	54.07	926,283	-0.21(-0.39%)
Mar 13, 2012	53.80	54.32	53.61	54.28	745,593	+0.59(+1.10%)
Mar 12, 2012	53.23	53.90	53.02	53.69	1,202,475	+0.01(+0.03%)
Mar 09, 2012	53.73	53.81	53.31	53.68	757,191	-0.09(-0.17%)
Mar 08, 2012	53.72	53.86	53.28	53.77	1,028,776	+0.28(+0.53%)
Mar 07, 2012	53.54	53.72	53.04	53.48	1,587,764	+0.21(+0.40%)
Mar 06, 2012	54.02	54.16	53.25	53.27	1,330,124	-1.15(-2.11%)
Mar 05, 2012	54.19	54.42	54.04	54.42	1,116,996	+0.09(+0.17%)
Mar 02, 2012	54.07	54.32	53.80	54.32	1,187,980	+0.36(+0.66%)
Mar 01, 2012	53.65	54.12	53.33	53.97	1,650,598	+0.38(+0.70%)
Feb 29, 2012	52.92	53.79	52.65	53.59	1,417,333	+0.65(+1.24%)
Feb 28, 2012	53.23	53.53	52.93	52.94	1,431,631	-0.28(-0.52%)
Feb 27, 2012	52.92	53.32	52.72	53.21	1,315,483	+0.04(+0.07%)
Feb 24, 2012	52.49	53.22	52.08	53.18	1,806,832	+0.71(+1.36%)
Feb 23, 2012	51.75	52.54	51.69	52.47	1,107,821	+0.76(+1.47%)
Feb 22, 2012	51.31	51.70	51.09	51.70	1,504,047	+0.17(+0.33%)
Feb 21, 2012	52.05	52.10	51.41	51.53	2,206,241	-0.46(-0.88%)
Feb 17, 2012	51.28	52.30	51.28	51.99	3,934,985	+1.05(+2.05%)
Feb 16, 2012	51.39	51.67	50.16	50.94	6,763,785	-4.66(-8.38%)
Feb 15, 2012	56.75	56.89	55.31	55.60	1,082,139	-0.90(-1.60%)
Feb 14, 2012	56.34	56.56	56.10	56.51	475,150	+0.09(+0.16%)
Feb 13, 2012	56.35	56.52	56.13	56.41	570,124	+0.32(+0.57%)
Feb 10, 2012	56.01	56.25	55.81	56.09	436,366	-0.26(-0.47%)
Feb 09, 2012	56.06	56.41	55.92	56.36	705,045	+0.29(+0.52%)
Feb 08, 2012	56.19	56.40	55.95	56.07	764,088	-0.03(-0.05%)
Feb 07, 2012	56.22	56.36	55.96	56.09	378,747	-0.14(-0.25%)
Feb 06, 2012	55.98	56.75	55.97	56.24	404,118	-0.03(-0.05%)
Feb 03, 2012	56.82	56.84	56.16	56.26	389,653	-0.13(-0.23%)
Feb 02, 2012	56.35	56.65	56.21	56.39	478,812	+0.10(+0.18%)
Feb 01, 2012	55.93	56.58	55.93	56.29	704,319	+0.58(+1.04%)
Jan 31, 2012	55.54	55.95	55.31	55.71	851,586	+0.33(+0.59%)
Jan 30, 2012	55.34	55.40	55.00	55.39	556,410	-0.19(-0.34%)
Jan 27, 2012	55.82	56.02	55.41	55.58	1,213,519	-0.30(-0.54%)
Jan 26, 2012	57.33	57.33	55.72	55.88	1,400,385	-1.53(-2.67%)
Jan 25, 2012	57.12	57.57	56.93	57.42	445,615	+0.13(+0.23%)
Jan 24, 2012	57.13	57.35	57.03	57.28	541,744	-0.04(-0.07%)
Jan 23, 2012	56.78	57.46	56.78	57.33	557,311	+0.48(+0.85%)
Jan 20, 2012	57.11	57.30	56.09	56.84	1,005,923	-0.47(-0.81%)
Jan 19, 2012	57.29	57.43	57.11	57.31	582,604	-0.01(-0.01%)
Jan 18, 2012	56.75	57.34	56.63	57.32	681,320	+0.57(+1.00%)
Jan 17, 2012	56.10	56.87	56.10	56.75	695,913	+1.00(+1.80%)
Jan 13, 2012	55.83	55.87	55.42	55.75	377,182	-0.18(-0.32%)
Jan 12, 2012	55.82	56.03	55.39	55.92	650,676	+0.19(+0.34%)
Jan 11, 2012	55.51	55.73	55.30	55.73	420,497	+0.01(+0.01%)
Jan 10, 2012	55.31	55.92	55.16	55.73	453,673	+0.59(+1.08%)
Jan 09, 2012	54.88	55.27	54.64	55.13	400,842	+0.38(+0.70%)
Jan 06, 2012	55.03	55.05	54.64	54.75	455,787	-0.18(-0.33%)
Jan 05, 2012	54.54	55.05	54.49	54.93	992,096	+0.28(+0.52%)

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