Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	56.77	56.94	56.70	56.94	2,044,515	+0.22(+0.39%)
Feb 25, 2011	56.62	56.74	56.55	56.72	3,382,799	+0.24(+0.43%)
Feb 24, 2011	56.53	56.60	56.44	56.48	1,764,585	-0.00(-0.00%)
Feb 23, 2011	56.52	56.63	56.32	56.48	2,137,650	+0.06(+0.10%)
Feb 22, 2011	56.73	56.77	56.41	56.42	2,320,316	-0.43(-0.76%)
Feb 18, 2011	56.77	56.86	56.74	56.86	914,127	+0.20(+0.35%)
Feb 17, 2011	56.65	56.74	56.64	56.66	1,427,027	+0.01(+0.01%)
Feb 16, 2011	56.65	56.73	56.60	56.65	1,423,186	+0.09(+0.16%)
Feb 15, 2011	56.52	56.65	56.52	56.56	1,062,063	-0.06(-0.10%)
Feb 14, 2011	56.56	56.65	56.53	56.62	1,065,712	+0.10(+0.17%)
Feb 11, 2011	56.41	56.52	56.32	56.52	1,690,501	+0.13(+0.22%)
Feb 10, 2011	56.31	56.52	56.29	56.39	1,485,452	+0.07(+0.12%)
Feb 09, 2011	56.67	56.69	56.31	56.32	3,081,256	-0.35(-0.62%)
Feb 08, 2011	56.73	56.79	56.59	56.67	4,534,395	-0.11(-0.20%)
Feb 07, 2011	56.63	56.79	56.55	56.79	3,605,758	+0.18(+0.32%)
Feb 04, 2011	56.41	56.62	56.35	56.60	2,714,920	+0.21(+0.37%)
Feb 03, 2011	56.28	56.39	56.21	56.39	2,434,212	+0.10(+0.17%)
Feb 02, 2011	56.37	56.39	56.30	56.30	1,498,321	-0.01(-0.02%)
Feb 01, 2011	56.25	56.35	56.21	56.31	1,469,712	+0.13(+0.23%)
Jan 31, 2011	55.97	56.20	55.95	56.18	2,421,609	+0.36(+0.65%)
Jan 28, 2011	56.17	56.18	55.82	55.82	2,881,512	-0.31(-0.54%)
Jan 27, 2011	56.18	56.18	56.03	56.13	1,333,899	+0.03(+0.05%)
Jan 26, 2011	56.03	56.14	55.99	56.10	2,329,897	+0.17(+0.30%)
Jan 25, 2011	55.93	56.03	55.84	55.93	2,078,332	+0.00(+0.00%)
Jan 24, 2011	55.85	55.97	55.85	55.93	1,135,599	+0.12(+0.22%)
Jan 21, 2011	55.77	55.88	55.72	55.81	1,991,707	+0.10(+0.17%)
Jan 20, 2011	55.71	55.72	55.50	55.71	1,821,467	+0.01(+0.02%)
Jan 19, 2011	55.75	55.79	55.61	55.70	2,489,109	-0.08(-0.15%)
Jan 18, 2011	55.78	55.84	55.68	55.78	1,222,404	+0.03(+0.05%)
Jan 14, 2011	55.64	55.75	55.57	55.75	1,259,880	+0.18(+0.32%)
Jan 13, 2011	55.61	55.68	55.57	55.57	1,247,374	-0.06(-0.10%)
Jan 12, 2011	55.71	55.71	55.56	55.63	1,835,620	+0.01(+0.02%)
Jan 11, 2011	55.57	55.63	55.50	55.61	1,617,239	+0.17(+0.30%)
Jan 10, 2011	55.46	55.50	55.35	55.45	1,583,005	-0.06(-0.10%)
Jan 07, 2011	55.70	55.75	55.43	55.50	1,607,782	-0.28(-0.50%)
Jan 06, 2011	55.78	55.78	55.56	55.78	2,544,505	+0.03(+0.05%)
Jan 05, 2011	55.43	55.75	55.41	55.75	4,039,788	+0.26(+0.48%)
Jan 04, 2011	55.45	55.53	55.29	55.49	2,596,064	+0.17(+0.30%)
Jan 03, 2011	55.32	55.43	55.09	55.32	2,927,312	+0.22(+0.40%)
Dec 31, 2010	55.06	55.16	54.95	55.10	710,996	+0.10(+0.18%)
Dec 30, 2010	54.92	55.02	54.91	55.00	1,072,613	+0.01(+0.03%)
Dec 29, 2010	54.93	55.02	54.84	54.99	2,179,054	+0.29(+0.52%)
Dec 28, 2010	54.93	54.96	54.70	54.70	1,472,850	-0.19(-0.35%)
Dec 27, 2010	54.74	54.93	54.73	54.89	1,377,738	+0.09(+0.17%)
Dec 23, 2010	54.65	54.84	54.59	54.80	1,028,963	+0.24(+0.45%)
Dec 22, 2010	54.64	54.66	54.55	54.55	1,658,764	-0.08(-0.15%)
Dec 21, 2010	54.65	54.70	54.57	54.64	1,848,696	+0.07(+0.12%)
Dec 20, 2010	54.49	54.62	54.40	54.57	1,730,514	+0.10(+0.17%)
Dec 17, 2010	54.26	54.47	54.19	54.47	1,674,942	+0.28(+0.53%)
Dec 16, 2010	53.97	54.23	53.96	54.19	1,019,522	+0.19(+0.35%)
Dec 15, 2010	54.24	54.27	53.97	54.00	1,329,571	-0.27(-0.50%)
Dec 14, 2010	54.15	54.27	54.04	54.27	1,813,319	+0.27(+0.50%)
Dec 13, 2010	54.26	54.31	54.00	54.00	2,446,640	-0.19(-0.35%)
Dec 10, 2010	54.36	54.38	54.19	54.19	1,920,907	-0.08(-0.15%)
Dec 09, 2010	54.46	54.46	54.27	54.27	1,970,428	-0.23(-0.42%)
Dec 08, 2010	54.49	54.50	54.28	54.50	3,074,254	+0.11(+0.20%)
Dec 07, 2010	54.51	54.51	54.34	54.39	1,821,789	+0.18(+0.33%)
Dec 06, 2010	54.24	54.28	54.12	54.21	2,443,355	-0.10(-0.18%)
Dec 03, 2010	53.92	54.31	53.92	54.31	3,400,373	+0.27(+0.50%)
Dec 02, 2010	54.08	54.13	53.93	54.04	1,953,718	+0.00(+0.00%)

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