Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	57.88	58.04	57.85	57.89	68,182	-0.07(-0.12%)
Mar 30, 2011	58.08	58.12	57.89	57.96	10,825	+0.25(+0.43%)
Mar 29, 2011	57.24	57.71	57.07	57.71	26,564	+0.39(+0.69%)
Mar 28, 2011	57.85	57.85	57.32	57.32	13,418	-0.29(-0.51%)
Mar 25, 2011	57.74	57.99	57.60	57.61	62,417	+0.07(+0.13%)
Mar 24, 2011	56.96	57.60	56.75	57.54	50,287	+0.93(+1.64%)
Mar 23, 2011	56.09	56.72	55.85	56.61	108,831	+0.42(+0.75%)
Mar 22, 2011	56.49	56.49	56.11	56.19	18,765	-0.18(-0.33%)
Mar 21, 2011	56.51	56.52	56.33	56.37	35,361	+1.12(+2.03%)
Mar 18, 2011	55.92	55.92	55.23	55.25	62,543	+0.09(+0.17%)
Mar 17, 2011	55.54	55.79	55.16	55.16	36,284	+0.35(+0.64%)
Mar 16, 2011	55.78	56.06	54.51	54.81	98,728	-1.31(-2.34%)
Mar 15, 2011	55.92	56.41	55.83	56.12	78,884	-0.76(-1.34%)
Mar 14, 2011	56.86	57.12	56.55	56.89	108,331	-0.27(-0.47%)
Mar 11, 2011	56.63	57.39	56.56	57.15	72,120	+0.33(+0.58%)
Mar 10, 2011	57.33	57.33	56.73	56.82	108,243	-1.18(-2.04%)
Mar 09, 2011	58.28	58.28	57.80	58.01	19,506	-0.45(-0.77%)
Mar 08, 2011	58.05	58.68	57.76	58.46	15,593	+0.42(+0.73%)
Mar 07, 2011	59.20	59.20	57.62	58.03	61,642	-0.90(-1.53%)
Mar 04, 2011	59.45	59.45	58.65	58.93	202,679	-0.40(-0.68%)
Mar 03, 2011	58.91	59.49	58.91	59.34	128,143	+1.01(+1.73%)
Mar 02, 2011	58.02	58.78	58.02	58.33	17,219	+0.28(+0.49%)
Mar 01, 2011	59.23	59.28	57.88	58.05	127,917	-0.99(-1.68%)
Feb 28, 2011	59.33	59.43	58.75	59.04	21,016	-0.03(-0.05%)
Feb 25, 2011	58.59	59.17	58.59	59.06	39,880	+0.77(+1.32%)
Feb 24, 2011	58.01	58.47	57.74	58.29	113,016	+0.29(+0.51%)
Feb 23, 2011	58.66	58.70	57.52	58.00	36,975	-0.92(-1.56%)
Feb 22, 2011	59.75	59.96	58.84	58.92	93,282	-1.61(-2.66%)
Feb 18, 2011	60.69	60.73	60.37	60.52	131,635	-0.06(-0.09%)
Feb 17, 2011	60.24	60.67	60.20	60.58	17,383	+0.19(+0.32%)
Feb 16, 2011	60.22	60.49	60.15	60.38	39,809	+0.43(+0.72%)
Feb 15, 2011	60.27	60.27	59.84	59.95	27,248	-0.35(-0.58%)
Feb 14, 2011	60.24	60.41	60.14	60.30	30,689	+0.18(+0.31%)
Feb 11, 2011	59.73	60.19	59.73	60.12	70,307	+0.26(+0.43%)
Feb 10, 2011	59.44	59.94	59.31	59.86	38,640	-0.17(-0.28%)
Feb 09, 2011	59.90	60.19	59.88	60.03	38,866	-0.17(-0.27%)
Feb 08, 2011	60.02	60.19	59.74	60.19	80,189	+0.32(+0.54%)
Feb 07, 2011	59.71	60.14	59.60	59.87	51,895	+0.36(+0.60%)
Feb 04, 2011	59.18	59.54	59.10	59.51	36,242	+0.48(+0.81%)
Feb 03, 2011	58.95	59.16	58.47	59.04	27,148	+0.07(+0.12%)
Feb 02, 2011	58.71	59.13	58.69	58.96	13,997	+0.21(+0.36%)
Feb 01, 2011	58.12	58.88	58.10	58.75	63,287	+1.07(+1.86%)
Jan 31, 2011	57.35	57.71	57.10	57.68	24,243	+0.33(+0.57%)
Jan 28, 2011	58.81	58.81	57.12	57.35	58,770	-1.43(-2.44%)
Jan 27, 2011	58.53	58.95	58.44	58.78	57,811	+0.43(+0.73%)
Jan 26, 2011	58.19	58.54	58.01	58.35	70,624	+0.34(+0.58%)
Jan 25, 2011	57.79	58.05	57.57	58.02	24,680	+0.08(+0.14%)
Jan 24, 2011	57.29	57.93	57.12	57.93	24,819	+0.78(+1.37%)
Jan 21, 2011	57.92	57.92	57.14	57.15	24,464	-0.40(-0.69%)
Jan 20, 2011	57.69	57.75	56.98	57.55	76,912	-0.51(-0.87%)
Jan 19, 2011	58.60	58.63	57.86	58.05	53,722	-0.57(-0.97%)
Jan 18, 2011	58.06	58.65	57.98	58.62	65,071	+0.28(+0.47%)
Jan 14, 2011	57.84	58.35	57.76	58.35	25,843	+0.55(+0.95%)
Jan 13, 2011	57.80	57.94	57.65	57.80	28,582	-0.04(-0.06%)
Jan 12, 2011	57.61	57.83	57.47	57.83	37,774	+0.51(+0.88%)
Jan 11, 2011	57.41	57.44	57.12	57.33	27,136	+0.15(+0.26%)
Jan 10, 2011	56.90	57.29	56.73	57.18	61,922	+0.15(+0.26%)
Jan 07, 2011	57.24	57.31	56.48	57.03	37,692	-0.18(-0.32%)
Jan 06, 2011	56.89	57.24	56.74	57.22	56,580	+0.49(+0.86%)
Jan 05, 2011	56.18	56.75	56.18	56.73	58,070	+0.42(+0.75%)
Jan 04, 2011	56.41	56.48	55.92	56.31	160,368	+0.04(+0.07%)

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