Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2010	51.78	51.87	51.67	51.82	756,021	+0.09(+0.18%)
Dec 30, 2010	51.65	51.74	51.64	51.73	1,140,539	+0.01(+0.03%)
Dec 29, 2010	51.66	51.74	51.57	51.71	2,317,048	+0.27(+0.52%)
Dec 28, 2010	51.66	51.69	51.45	51.45	1,566,121	-0.18(-0.35%)
Dec 27, 2010	51.48	51.66	51.47	51.62	1,464,986	+0.09(+0.17%)
Dec 23, 2010	51.39	51.57	51.34	51.53	1,094,124	+0.23(+0.45%)
Dec 22, 2010	51.38	51.41	51.30	51.30	1,763,808	-0.08(-0.15%)
Dec 21, 2010	51.39	51.45	51.32	51.38	1,965,768	+0.06(+0.12%)
Dec 20, 2010	51.24	51.37	51.16	51.32	1,840,102	+0.09(+0.17%)
Dec 17, 2010	51.02	51.23	50.96	51.23	1,781,011	+0.27(+0.53%)
Dec 16, 2010	50.76	51.00	50.74	50.96	1,084,085	+0.18(+0.35%)
Dec 15, 2010	51.01	51.04	50.76	50.78	1,413,769	-0.26(-0.50%)
Dec 14, 2010	50.92	51.04	50.82	51.04	1,928,151	+0.26(+0.50%)
Dec 13, 2010	51.02	51.08	50.78	50.78	2,601,578	-0.18(-0.35%)
Dec 10, 2010	51.13	51.14	50.96	50.96	2,042,552	-0.08(-0.15%)
Dec 09, 2010	51.22	51.22	51.04	51.04	2,095,209	-0.22(-0.42%)
Dec 08, 2010	51.24	51.25	51.05	51.25	3,268,937	+0.10(+0.20%)
Dec 07, 2010	51.27	51.27	51.10	51.15	1,937,157	+0.17(+0.33%)
Dec 06, 2010	51.01	51.05	50.90	50.98	2,598,085	-0.09(-0.18%)
Dec 03, 2010	50.71	51.08	50.71	51.08	3,615,708	+0.26(+0.50%)
Dec 02, 2010	50.86	50.91	50.72	50.82	2,077,441	+0.00(+0.00%)
Dec 01, 2010	50.81	50.91	50.68	50.82	2,762,060	+0.38(+0.76%)
Nov 30, 2010	50.38	50.59	50.34	50.44	2,980,743	-0.11(-0.23%)
Nov 29, 2010	50.29	50.65	50.29	50.55	1,348,258	+0.27(+0.53%)
Nov 26, 2010	50.41	50.54	50.29	50.29	609,042	-0.20(-0.40%)
Nov 24, 2010	50.53	50.49	50.49	50.49	1,985,253	+0.28(+0.55%)
Nov 23, 2010	50.77	50.78	50.20	50.21	3,967,639	-0.71(-1.39%)
Nov 22, 2010	51.06	51.12	50.83	50.92	1,471,232	-0.28(-0.54%)
Nov 19, 2010	51.11	51.21	50.96	51.20	1,390,357	+0.03(+0.05%)
Nov 18, 2010	50.96	51.17	50.89	51.17	1,987,477	+0.54(+1.08%)
Nov 17, 2010	50.59	50.73	50.53	50.63	3,179,511	+0.20(+0.40%)
Nov 16, 2010	50.86	50.86	50.27	50.43	4,102,832	-0.53(-1.04%)
Nov 15, 2010	51.14	51.21	50.81	50.96	2,588,428	-0.09(-0.17%)
Nov 12, 2010	51.15	51.26	50.97	51.05	2,986,917	-0.18(-0.35%)
Nov 11, 2010	51.21	51.35	50.88	51.22	2,371,916	-0.19(-0.37%)
Nov 10, 2010	51.73	51.73	51.35	51.41	2,323,757	-0.30(-0.59%)
Nov 09, 2010	51.96	51.96	51.59	51.72	1,627,455	-0.10(-0.20%)
Nov 08, 2010	51.93	52.00	51.78	51.82	2,120,808	-0.27(-0.51%)
Nov 05, 2010	52.21	52.21	51.93	52.09	2,574,379	-0.16(-0.32%)
Nov 04, 2010	51.86	52.34	51.83	52.25	2,975,526	+0.53(+1.03%)
Nov 03, 2010	51.48	51.76	51.40	51.72	3,103,090	+0.24(+0.47%)
Nov 02, 2010	51.31	51.48	51.29	51.48	1,554,979	+0.28(+0.54%)
Nov 01, 2010	51.41	51.46	51.19	51.20	3,149,503	-0.22(-0.42%)
Oct 29, 2010	51.36	51.43	51.31	51.41	1,679,939	+0.10(+0.19%)
Oct 28, 2010	51.29	51.34	51.23	51.32	929,180	+0.06(+0.12%)
Oct 27, 2010	51.22	51.28	51.12	51.26	909,930	+0.11(+0.22%)
Oct 25, 2010	51.12	51.24	51.05	51.14	1,706,440	+0.15(+0.30%)
Oct 22, 2010	50.93	50.99	50.83	50.99	1,111,710	+0.19(+0.37%)
Oct 21, 2010	50.85	50.85	50.70	50.80	1,235,768	-0.04(-0.07%)
Oct 20, 2010	50.60	50.84	50.55	50.84	1,517,826	+0.34(+0.67%)
Oct 19, 2010	50.53	50.67	50.50	50.50	1,545,001	-0.21(-0.42%)
Oct 18, 2010	50.60	50.73	50.59	50.72	1,321,086	+0.19(+0.37%)
Oct 15, 2010	50.63	50.67	50.53	50.53	1,764,432	+0.05(+0.10%)
Oct 14, 2010	50.82	50.82	50.44	50.48	1,793,031	-0.33(-0.64%)
Oct 13, 2010	50.64	50.83	50.60	50.80	1,939,281	+0.25(+0.50%)
Oct 12, 2010	50.60	50.65	50.51	50.55	1,756,480	-0.05(-0.10%)
Oct 11, 2010	50.63	50.67	50.54	50.60	1,107,414	+0.00(+0.00%)
Oct 08, 2010	50.60	50.60	50.39	50.60	2,410,390	+0.08(+0.15%)
Oct 07, 2010	50.34	50.53	50.28	50.53	1,377,300	+0.29(+0.58%)
Oct 06, 2010	50.35	50.35	50.21	50.24	1,685,851	-0.05(-0.10%)
Oct 05, 2010	50.10	50.33	50.06	50.29	1,576,469	+0.29(+0.58%)
Oct 04, 2010	50.07	50.16	49.95	50.00	1,404,152	-0.13(-0.25%)

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