Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	67.24	67.59	66.29	67.45	11,531,360	+0.41(+0.61%)
Feb 25, 2011	65.44	67.13	65.16	67.04	11,098,457	+2.31(+3.57%)
Feb 24, 2011	66.32	66.86	64.63	64.73	16,387,646	-2.35(-3.50%)
Feb 23, 2011	66.57	68.31	66.45	67.07	14,333,728	-0.01(-0.01%)
Feb 22, 2011	68.59	69.05	66.00	67.08	18,887,398	-1.54(-2.24%)
Feb 18, 2011	68.41	68.70	67.62	68.62	11,441,926	+0.48(+0.71%)
Feb 17, 2011	66.76	68.53	66.76	68.14	9,324,932	+0.26(+0.38%)
Feb 16, 2011	66.68	68.23	66.27	67.88	12,318,994	+1.21(+1.81%)
Feb 15, 2011	66.49	66.90	65.81	66.67	10,197,568	+0.07(+0.11%)
Feb 14, 2011	65.13	66.67	65.13	66.60	7,933,973	+1.53(+2.35%)
Feb 11, 2011	64.79	65.96	64.55	65.07	8,187,574	-0.19(-0.29%)
Feb 10, 2011	63.79	65.30	63.58	65.25	9,547,045	+1.54(+2.42%)
Feb 09, 2011	63.64	64.54	62.82	63.71	8,569,136	-0.41(-0.64%)
Feb 08, 2011	64.35	64.58	63.07	64.12	8,583,061	-0.55(-0.86%)
Feb 07, 2011	64.53	65.69	64.15	64.68	9,374,641	+0.36(+0.56%)
Feb 04, 2011	64.51	64.78	63.48	64.32	8,383,792	-0.07(-0.11%)
Feb 03, 2011	64.37	64.47	63.16	64.39	7,668,122	+0.25(+0.39%)
Feb 02, 2011	64.40	64.66	63.67	64.14	7,667,863	-0.40(-0.62%)
Feb 01, 2011	64.43	65.10	64.01	64.54	13,934,746	+0.47(+0.73%)
Jan 31, 2011	62.22	64.08	62.00	64.07	11,318,583	+1.67(+2.68%)
Jan 28, 2011	62.93	62.99	61.71	62.40	12,202,642	+0.50(+0.80%)
Jan 27, 2011	62.89	63.27	61.57	61.91	12,806,152	-1.06(-1.68%)
Jan 26, 2011	60.47	63.18	60.36	62.96	14,718,389	+3.02(+5.04%)
Jan 25, 2011	60.67	60.87	59.21	59.94	12,718,744	-0.72(-1.19%)
Jan 24, 2011	60.48	61.02	59.04	60.66	13,790,313	+0.55(+0.92%)
Jan 21, 2011	62.93	63.04	59.65	60.11	26,585,564	-0.94(-1.54%)
Jan 20, 2011	60.91	61.44	59.36	61.05	16,567,360	-1.06(-1.71%)
Jan 19, 2011	62.70	63.14	61.76	62.11	16,396,157	-0.36(-0.58%)
Jan 18, 2011	62.35	62.57	61.88	62.47	10,211,252	-0.11(-0.17%)
Jan 14, 2011	60.90	62.61	60.56	62.58	11,667,774	+1.66(+2.73%)
Jan 13, 2011	60.70	61.42	60.41	60.91	10,212,145	+0.11(+0.18%)
Jan 12, 2011	59.71	60.83	59.67	60.80	9,441,186	+1.58(+2.66%)
Jan 11, 2011	58.62	59.37	58.60	59.23	9,175,139	+1.14(+1.96%)
Jan 10, 2011	58.27	58.66	57.72	58.09	9,004,462	-0.63(-1.08%)
Jan 07, 2011	58.00	59.22	57.81	58.72	9,173,182	+0.74(+1.28%)
Jan 06, 2011	59.47	59.53	57.41	57.98	11,481,326	-1.48(-2.49%)
Jan 05, 2011	58.28	59.54	58.03	59.47	8,639,692	+0.69(+1.18%)
Jan 04, 2011	60.34	60.65	58.07	58.77	12,000,393	-1.45(-2.41%)
Jan 03, 2011	60.48	60.88	60.03	60.23	7,540,293	+0.11(+0.18%)
Dec 31, 2010	59.99	60.35	59.76	60.12	4,701,417	+0.10(+0.17%)
Dec 30, 2010	60.27	60.48	59.64	60.02	4,579,364	-0.19(-0.32%)
Dec 29, 2010	59.23	60.48	59.23	60.21	6,244,935	+1.02(+1.73%)
Dec 28, 2010	59.18	59.72	59.18	59.19	3,823,671	-0.15(-0.25%)
Dec 27, 2010	58.93	59.50	58.82	59.34	3,969,394	-0.07(-0.12%)
Dec 23, 2010	59.44	59.76	59.22	59.41	5,196,430	-0.21(-0.35%)
Dec 22, 2010	59.60	59.88	59.21	59.62	5,613,391	+0.27(+0.45%)
Dec 21, 2010	59.27	59.57	58.85	59.36	7,494,498	+0.19(+0.32%)
Dec 20, 2010	58.71	59.33	58.60	59.17	8,206,789	+0.60(+1.03%)
Dec 17, 2010	58.33	58.82	58.11	58.57	10,611,197	+0.15(+0.26%)
Dec 16, 2010	58.02	58.45	57.39	58.41	9,275,821	+0.30(+0.51%)
Dec 15, 2010	58.03	58.88	58.00	58.12	8,927,403	-0.44(-0.75%)
Dec 14, 2010	59.35	59.46	58.33	58.56	9,884,452	-0.79(-1.33%)
Dec 13, 2010	59.26	60.37	59.18	59.35	11,197,222	+0.64(+1.09%)
Dec 10, 2010	58.34	58.93	58.26	58.71	8,141,325	+0.22(+0.37%)
Dec 09, 2010	59.06	59.34	57.97	58.49	7,935,249	+0.24(+0.42%)
Dec 08, 2010	58.45	58.93	57.82	58.25	10,285,108	-0.07(-0.12%)
Dec 07, 2010	60.40	60.56	58.12	58.32	13,401,832	-1.34(-2.24%)
Dec 06, 2010	59.57	59.91	58.54	59.66	9,650,135	+0.09(+0.15%)
Dec 03, 2010	57.36	59.76	57.36	59.57	14,989,224	+1.44(+2.48%)
Dec 02, 2010	58.00	58.41	57.80	58.13	10,920,633	-0.08(-0.14%)

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