Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	70.21	70.67	69.86	70.22	1,910,500	+0.50(+0.71%)
Feb 25, 2011	69.52	70.44	69.52	69.73	2,269,726	+0.72(+1.04%)
Feb 24, 2011	68.57	69.43	67.66	69.01	1,977,628	+0.32(+0.47%)
Feb 23, 2011	69.76	70.05	68.04	68.69	2,024,903	-1.47(-2.10%)
Feb 22, 2011	71.89	71.90	70.08	70.16	1,479,358	-2.19(-3.03%)
Feb 18, 2011	72.54	72.67	71.91	72.35	1,221,314	+0.18(+0.25%)
Feb 17, 2011	71.95	72.43	71.32	72.17	925,716	+0.35(+0.48%)
Feb 16, 2011	72.33	72.93	71.40	71.82	1,188,838	-0.15(-0.21%)
Feb 15, 2011	72.52	72.71	71.57	71.97	1,109,626	-0.79(-1.08%)
Feb 14, 2011	73.36	73.53	72.73	72.76	1,388,606	-0.91(-1.24%)
Feb 11, 2011	71.95	73.70	71.84	73.67	1,017,574	+1.49(+2.06%)
Feb 10, 2011	71.69	72.33	71.23	72.18	1,012,364	+0.24(+0.33%)
Feb 09, 2011	72.32	72.44	71.49	71.95	1,158,995	-0.81(-1.11%)
Feb 08, 2011	72.17	72.84	71.83	72.76	1,074,054	+0.80(+1.11%)
Feb 07, 2011	71.48	72.39	71.29	71.96	1,116,528	+0.55(+0.77%)
Feb 04, 2011	70.96	71.41	70.54	71.41	1,143,630	+1.30(+1.86%)
Feb 03, 2011	70.54	70.73	69.49	70.11	1,275,286	-0.46(-0.64%)
Feb 02, 2011	70.31	71.14	70.30	70.56	1,223,061	-0.41(-0.57%)
Feb 01, 2011	70.91	71.15	69.29	70.97	1,866,527	+0.82(+1.16%)
Jan 31, 2011	68.74	71.15	68.46	70.16	2,161,571	+1.74(+2.55%)
Jan 28, 2011	69.31	70.71	67.97	68.41	1,724,036	-1.15(-1.65%)
Jan 27, 2011	69.37	69.83	68.44	69.56	1,432,490	+0.36(+0.52%)
Jan 26, 2011	68.25	69.75	68.06	69.20	2,029,753	+1.33(+1.97%)
Jan 25, 2011	67.78	68.38	67.01	67.87	1,522,404	-0.46(-0.67%)
Jan 24, 2011	67.50	68.32	67.29	68.32	1,724,364	+0.84(+1.24%)
Jan 21, 2011	67.85	69.12	67.33	67.48	3,297,048	+0.38(+0.57%)
Jan 20, 2011	68.92	70.04	66.88	67.10	5,235,201	-4.37(-6.12%)
Jan 19, 2011	71.88	73.09	70.77	71.47	4,250,391	-0.65(-0.90%)
Jan 18, 2011	70.30	72.13	70.09	72.12	2,018,283	+1.77(+2.52%)
Jan 14, 2011	69.74	70.62	69.74	70.34	1,669,610	+0.33(+0.47%)
Jan 13, 2011	70.02	70.18	69.20	70.02	2,362,974	+0.45(+0.64%)
Jan 12, 2011	69.46	69.80	69.20	69.57	1,091,636	+0.68(+0.99%)
Jan 11, 2011	68.96	69.28	68.63	68.89	1,307,372	+0.42(+0.62%)
Jan 10, 2011	68.62	68.62	67.41	68.46	2,547,292	+0.94(+1.39%)
Jan 07, 2011	67.46	68.58	67.36	67.52	1,497,737	+0.11(+0.16%)
Jan 06, 2011	68.66	68.84	67.25	67.41	1,619,026	-1.33(-1.93%)
Jan 05, 2011	68.16	69.28	67.82	68.74	1,716,401	+0.10(+0.15%)
Jan 04, 2011	68.66	68.71	67.31	68.63	2,221,070	-0.05(-0.07%)
Jan 03, 2011	68.08	69.00	68.08	68.68	1,859,056	+0.97(+1.43%)
Dec 31, 2010	67.40	68.01	67.29	67.72	717,812	+0.25(+0.37%)
Dec 30, 2010	67.44	67.83	67.27	67.47	788,203	-0.13(-0.20%)
Dec 29, 2010	67.67	68.11	67.50	67.60	793,465	+0.22(+0.33%)
Dec 28, 2010	67.38	67.54	66.88	67.38	743,459	+0.05(+0.07%)
Dec 27, 2010	66.75	67.47	66.58	67.33	688,531	+0.40(+0.60%)
Dec 23, 2010	67.17	67.62	66.72	66.93	749,750	-0.24(-0.35%)
Dec 22, 2010	67.41	67.72	67.02	67.17	757,048	-0.31(-0.45%)
Dec 21, 2010	66.94	67.68	66.53	67.47	1,236,445	+0.80(+1.20%)
Dec 20, 2010	66.72	67.03	66.29	66.67	1,338,420	+0.12(+0.18%)
Dec 17, 2010	66.77	67.07	66.55	66.56	2,182,514	-0.42(-0.62%)
Dec 16, 2010	67.06	67.36	66.63	66.97	1,257,446	+0.02(+0.04%)
Dec 15, 2010	67.50	68.21	66.91	66.95	985,236	-0.61(-0.91%)
Dec 14, 2010	67.78	68.04	67.28	67.56	1,056,388	-0.23(-0.34%)
Dec 13, 2010	68.00	68.55	67.44	67.79	1,782,986	+0.20(+0.29%)
Dec 10, 2010	66.83	67.76	66.79	67.59	1,111,956	+0.86(+1.29%)
Dec 09, 2010	67.15	67.30	66.48	66.73	785,054	-0.04(-0.06%)
Dec 08, 2010	66.96	67.27	66.51	66.77	1,151,011	+0.08(+0.12%)
Dec 07, 2010	66.55	67.42	66.55	66.69	1,514,608	+0.23(+0.34%)
Dec 06, 2010	65.74	66.64	65.67	66.46	837,306	+0.38(+0.57%)
Dec 03, 2010	65.53	66.23	65.53	66.08	910,834	+0.18(+0.27%)
Dec 02, 2010	65.25	66.32	65.00	65.90	1,876,423	+0.63(+0.96%)

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