Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	67.49	67.84	66.54	67.70	11,489,130	+0.41(+0.61%)
Feb 25, 2011	65.68	67.38	65.40	67.28	11,057,812	+2.32(+3.57%)
Feb 24, 2011	66.56	67.11	64.87	64.97	16,327,632	-2.36(-3.50%)
Feb 23, 2011	66.81	68.56	66.69	67.32	14,281,235	-0.01(-0.01%)
Feb 22, 2011	68.84	69.31	66.24	67.33	18,818,230	-1.54(-2.24%)
Feb 18, 2011	68.66	68.95	67.86	68.87	11,400,023	+0.49(+0.71%)
Feb 17, 2011	67.00	68.78	67.00	68.39	9,290,782	+0.26(+0.38%)
Feb 16, 2011	66.93	68.48	66.51	68.13	12,273,879	+1.21(+1.81%)
Feb 15, 2011	66.73	67.15	66.05	66.91	10,160,222	+0.07(+0.11%)
Feb 14, 2011	65.37	66.91	65.37	66.84	7,904,918	+1.54(+2.35%)
Feb 11, 2011	65.03	66.20	64.79	65.31	8,157,588	-0.19(-0.29%)
Feb 10, 2011	64.02	65.54	63.81	65.49	9,512,079	+1.55(+2.42%)
Feb 09, 2011	63.88	64.78	63.05	63.95	8,537,752	-0.41(-0.64%)
Feb 08, 2011	64.58	64.81	63.30	64.36	8,551,626	-0.56(-0.86%)
Feb 07, 2011	64.76	65.93	64.39	64.92	9,340,307	+0.36(+0.56%)
Feb 04, 2011	64.74	65.02	63.71	64.55	8,353,087	-0.07(-0.11%)
Feb 03, 2011	64.61	64.71	63.39	64.63	7,640,038	+0.25(+0.39%)
Feb 02, 2011	64.63	64.90	63.90	64.37	7,639,779	-0.40(-0.62%)
Feb 01, 2011	64.66	65.34	64.24	64.78	13,883,711	+0.47(+0.73%)
Jan 31, 2011	62.44	64.32	62.23	64.31	11,277,129	+1.68(+2.68%)
Jan 28, 2011	63.16	63.23	61.94	62.63	12,157,951	+0.50(+0.80%)
Jan 27, 2011	63.12	63.50	61.79	62.13	12,759,250	-1.06(-1.68%)
Jan 26, 2011	60.70	63.41	60.58	63.20	14,664,483	+3.04(+5.05%)
Jan 25, 2011	60.89	61.09	59.42	60.16	12,672,163	-0.72(-1.19%)
Jan 24, 2011	60.70	61.25	59.26	60.88	13,739,807	+0.56(+0.92%)
Jan 21, 2011	63.16	63.28	59.86	60.33	26,488,196	-0.94(-1.54%)
Jan 20, 2011	61.13	61.66	59.58	61.27	16,506,683	-1.07(-1.71%)
Jan 19, 2011	62.93	63.38	61.99	62.34	16,336,107	-0.36(-0.58%)
Jan 18, 2011	62.57	62.80	62.10	62.70	10,173,854	-0.11(-0.17%)
Jan 14, 2011	61.12	62.84	60.78	62.81	11,625,041	+1.67(+2.73%)
Jan 13, 2011	60.92	61.64	60.63	61.14	10,174,744	+0.11(+0.18%)
Jan 12, 2011	59.93	61.06	59.89	61.03	9,406,608	+1.58(+2.66%)
Jan 11, 2011	58.83	59.59	58.82	59.45	9,141,535	+1.14(+1.96%)
Jan 10, 2011	58.48	58.87	57.94	58.30	8,971,484	-0.64(-1.08%)
Jan 07, 2011	58.22	59.44	58.02	58.94	9,139,585	+0.74(+1.28%)
Jan 06, 2011	59.69	59.75	57.62	58.20	11,439,276	-1.49(-2.49%)
Jan 05, 2011	58.49	59.76	58.25	59.68	8,608,050	+0.69(+1.18%)
Jan 04, 2011	60.57	60.87	58.28	58.99	11,956,442	-1.46(-2.41%)
Jan 03, 2011	60.70	61.10	60.25	60.45	7,512,677	+0.11(+0.18%)
Dec 31, 2010	60.21	60.57	59.98	60.34	4,684,198	+0.10(+0.17%)
Dec 30, 2010	60.49	60.70	59.86	60.24	4,562,592	-0.20(-0.32%)
Dec 29, 2010	59.45	60.70	59.45	60.44	6,222,063	+1.03(+1.73%)
Dec 28, 2010	59.39	59.94	59.39	59.41	3,809,667	-0.15(-0.25%)
Dec 27, 2010	59.15	59.72	59.04	59.56	3,954,857	-0.07(-0.12%)
Dec 23, 2010	59.66	59.98	59.44	59.63	5,177,398	-0.21(-0.35%)
Dec 22, 2010	59.82	60.10	59.42	59.84	5,592,832	+0.27(+0.45%)
Dec 21, 2010	59.49	59.79	59.07	59.58	7,467,049	+0.19(+0.32%)
Dec 20, 2010	58.93	59.55	58.82	59.39	8,176,732	+0.61(+1.03%)
Dec 17, 2010	58.54	59.03	58.33	58.78	10,572,334	+0.15(+0.26%)
Dec 16, 2010	58.23	58.66	57.60	58.63	9,241,849	+0.30(+0.51%)
Dec 15, 2010	58.25	59.10	58.21	58.33	8,894,707	-0.44(-0.75%)
Dec 14, 2010	59.57	59.68	58.54	58.77	9,848,251	-0.79(-1.33%)
Dec 13, 2010	59.48	60.59	59.40	59.57	11,156,212	+0.64(+1.09%)
Dec 10, 2010	58.55	59.14	58.48	58.93	8,111,508	+0.22(+0.37%)
Dec 09, 2010	59.28	59.56	58.18	58.71	7,906,186	+0.25(+0.42%)
Dec 08, 2010	58.66	59.14	58.03	58.46	10,247,440	-0.07(-0.12%)
Dec 07, 2010	60.62	60.78	58.33	58.53	13,352,749	-1.34(-2.24%)
Dec 06, 2010	59.79	60.13	58.75	59.88	9,614,792	+0.09(+0.15%)
Dec 03, 2010	57.57	59.98	57.57	59.79	14,934,326	+1.45(+2.48%)
Dec 02, 2010	58.22	58.62	58.01	58.35	10,880,636	-0.08(-0.14%)

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