Date	Open	High	Low	Close	Volume	Change (%)
Mar 30, 2012	73.29	73.29	72.23	72.23	329,085	-0.63(-0.87%)
Mar 29, 2012	72.92	73.08	72.38	72.87	216,171	-0.41(-0.56%)
Mar 28, 2012	72.70	73.30	72.67	73.28	213,581	+0.45(+0.62%)
Mar 27, 2012	73.20	73.31	72.82	72.83	296,351	-0.46(-0.63%)
Mar 26, 2012	72.90	73.37	72.71	73.29	385,380	+0.87(+1.21%)
Mar 23, 2012	72.13	72.51	71.75	72.41	267,554	+0.39(+0.54%)
Mar 22, 2012	72.09	72.38	71.82	72.02	305,003	-0.41(-0.57%)
Mar 21, 2012	73.14	73.14	72.44	72.44	417,472	-0.59(-0.81%)
Mar 20, 2012	72.11	73.29	72.05	73.03	325,998	+0.29(+0.40%)
Mar 19, 2012	72.37	73.06	72.09	72.74	224,180	+0.46(+0.64%)
Mar 16, 2012	72.70	73.05	72.24	72.28	369,611	-0.57(-0.78%)
Mar 15, 2012	72.49	72.98	72.26	72.85	242,094	+0.29(+0.40%)
Mar 14, 2012	72.56	72.84	72.22	72.56	260,950	+0.05(+0.08%)
Mar 13, 2012	71.45	72.70	71.15	72.51	832,555	+1.31(+1.84%)
Mar 12, 2012	71.11	71.39	71.05	71.20	225,855	-0.09(-0.12%)
Mar 09, 2012	70.49	71.29	70.47	71.28	355,896	+0.74(+1.05%)
Mar 08, 2012	70.10	70.65	69.67	70.54	668,259	+0.59(+0.85%)
Mar 07, 2012	69.11	70.06	68.80	69.95	431,042	+0.82(+1.19%)
Mar 06, 2012	70.13	70.13	69.13	69.13	481,521	-1.37(-1.95%)
Mar 05, 2012	69.78	70.56	69.59	70.50	397,040	+0.87(+1.26%)
Mar 02, 2012	69.94	70.99	69.44	69.63	497,684	+0.38(+0.55%)
Mar 01, 2012	68.79	69.46	68.07	69.25	391,236	+1.03(+1.50%)
Feb 29, 2012	67.80	68.70	67.45	68.22	383,028	+0.43(+0.63%)
Feb 28, 2012	68.67	68.67	67.62	67.79	390,373	-0.71(-1.03%)
Feb 27, 2012	68.86	69.04	67.97	68.50	324,815	-0.57(-0.82%)
Feb 24, 2012	69.36	69.71	68.37	69.07	325,204	-0.33(-0.47%)
Feb 23, 2012	69.40	69.83	69.01	69.39	408,968	+0.15(+0.21%)
Feb 22, 2012	70.16	70.40	66.78	69.25	631,545	-1.12(-1.59%)
Feb 21, 2012	70.09	70.46	69.50	70.36	535,407	+0.47(+0.68%)
Feb 17, 2012	69.75	70.05	69.29	69.89	509,140	+0.27(+0.39%)
Feb 16, 2012	69.39	70.06	69.31	69.62	570,706	+0.02(+0.02%)
Feb 15, 2012	69.04	70.33	68.78	69.60	861,682	+0.74(+1.07%)
Feb 14, 2012	68.62	68.97	67.99	68.87	544,911	-0.23(-0.33%)
Feb 13, 2012	68.14	69.12	67.94	69.09	581,548	+1.39(+2.05%)
Feb 10, 2012	68.47	68.47	67.29	67.70	524,421	-1.23(-1.79%)
Feb 09, 2012	66.78	69.42	65.81	68.94	1,021,248	+0.55(+0.81%)
Feb 08, 2012	68.42	68.69	67.76	68.38	472,871	-0.05(-0.08%)
Feb 07, 2012	67.95	68.55	67.61	68.44	351,982	+0.30(+0.43%)
Feb 06, 2012	67.97	68.38	67.37	68.14	337,390	-0.40(-0.59%)
Feb 03, 2012	68.66	68.66	67.76	68.55	429,783	+0.51(+0.75%)
Feb 02, 2012	68.67	68.90	67.88	68.03	303,528	-0.39(-0.57%)
Feb 01, 2012	66.72	68.61	66.72	68.42	670,383	+2.10(+3.17%)
Jan 31, 2012	65.89	66.64	65.66	66.32	392,609	+0.50(+0.77%)
Jan 30, 2012	66.01	66.01	65.29	65.81	335,006	-0.31(-0.47%)
Jan 27, 2012	66.80	66.82	66.05	66.12	437,562	-0.96(-1.44%)
Jan 26, 2012	66.72	67.29	66.55	67.09	393,604	+0.72(+1.09%)
Jan 25, 2012	66.05	66.42	65.55	66.37	468,662	-0.02(-0.02%)
Jan 24, 2012	66.00	66.73	65.51	66.38	262,957	-0.05(-0.07%)
Jan 23, 2012	67.09	67.56	66.39	66.43	208,914	-0.64(-0.96%)
Jan 20, 2012	65.98	67.17	65.96	67.07	322,516	+0.88(+1.33%)
Jan 19, 2012	66.20	66.23	65.72	66.19	373,281	+0.10(+0.15%)
Jan 18, 2012	65.74	66.12	64.60	66.09	430,215	+0.61(+0.94%)
Jan 17, 2012	66.16	66.57	65.19	65.48	450,144	-0.37(-0.57%)
Jan 13, 2012	66.24	66.63	65.65	65.85	434,856	-0.80(-1.20%)
Jan 12, 2012	67.10	67.33	66.16	66.65	401,779	-0.32(-0.48%)
Jan 11, 2012	66.78	67.17	66.43	66.97	314,378	-0.18(-0.27%)
Jan 10, 2012	66.54	67.23	66.14	67.15	498,165	+1.20(+1.83%)
Jan 09, 2012	65.30	66.14	65.30	65.95	464,220	+0.68(+1.05%)
Jan 06, 2012	65.24	65.86	65.23	65.26	299,671	+0.11(+0.17%)
Jan 05, 2012	64.60	65.32	63.80	65.15	340,302	+0.43(+0.66%)

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