Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	53.98	54.00	53.77	53.87	6,204	+0.14(+0.26%)
Feb 25, 2011	53.49	53.73	53.47	53.73	9,024	+0.61(+1.14%)
Feb 24, 2011	53.09	53.13	52.68	53.13	22,296	+0.10(+0.18%)
Feb 23, 2011	53.45	53.50	52.79	53.03	25,280	-0.43(-0.81%)
Feb 22, 2011	54.13	54.15	53.46	53.46	21,116	-1.01(-1.85%)
Feb 18, 2011	54.63	54.66	54.43	54.47	8,756	-0.10(-0.18%)
Feb 17, 2011	54.32	54.57	54.24	54.57	12,549	+0.11(+0.19%)
Feb 16, 2011	54.34	54.51	54.25	54.46	7,925	+0.36(+0.67%)
Feb 15, 2011	53.99	54.16	53.99	54.10	11,285	-0.17(-0.31%)
Feb 14, 2011	54.25	54.30	54.21	54.27	9,818	+0.18(+0.32%)
Feb 11, 2011	53.82	54.09	53.82	54.09	2,283	+0.32(+0.60%)
Feb 10, 2011	53.59	53.85	53.50	53.77	16,565	+0.03(+0.06%)
Feb 09, 2011	53.85	53.86	53.66	53.74	3,918	-0.10(-0.18%)
Feb 08, 2011	53.63	53.83	53.63	53.83	2,862	+0.29(+0.53%)
Feb 07, 2011	53.58	53.77	53.50	53.55	19,619	+0.26(+0.49%)
Feb 04, 2011	53.13	53.29	52.96	53.29	7,698	+0.20(+0.38%)
Feb 03, 2011	52.85	53.10	52.85	53.09	11,349	+0.15(+0.28%)
Feb 02, 2011	52.91	53.04	52.88	52.94	9,453	-0.09(-0.17%)
Feb 01, 2011	52.63	53.07	52.56	53.03	4,124	+0.85(+1.62%)
Jan 31, 2011	52.06	52.30	51.95	52.19	3,889	+0.31(+0.59%)
Jan 28, 2011	52.94	52.94	51.80	51.88	67,925	-1.01(-1.91%)
Jan 27, 2011	52.81	53.03	52.81	52.89	3,303	-0.05(-0.10%)
Jan 26, 2011	52.84	52.94	52.61	52.94	11,039	+0.45(+0.85%)
Jan 25, 2011	52.43	52.49	52.21	52.49	5,002	-0.06(-0.12%)
Jan 24, 2011	52.11	52.55	52.11	52.55	4,443	+0.42(+0.81%)
Jan 21, 2011	52.61	52.61	52.13	52.13	19,250	-0.07(-0.13%)
Jan 20, 2011	52.34	52.34	51.91	52.20	73,063	-0.22(-0.42%)
Jan 19, 2011	52.85	52.87	52.35	52.42	34,642	-0.45(-0.85%)
Jan 18, 2011	52.67	52.88	52.55	52.87	36,662	+0.26(+0.49%)
Jan 14, 2011	52.32	52.63	52.27	52.61	16,457	+0.22(+0.43%)
Jan 13, 2011	52.55	52.55	52.35	52.39	27,320	-0.06(-0.11%)
Jan 12, 2011	52.44	52.46	52.22	52.45	35,147	+0.44(+0.84%)
Jan 11, 2011	52.19	52.19	51.98	52.01	16,881	+0.08(+0.15%)
Jan 10, 2011	51.83	51.93	51.63	51.93	5,084	-0.02(-0.03%)
Jan 07, 2011	52.15	52.15	51.68	51.95	26,502	-0.06(-0.11%)
Jan 06, 2011	52.26	52.26	51.90	52.01	13,558	-0.01(-0.03%)
Jan 05, 2011	51.79	52.08	51.64	52.02	33,989	+0.22(+0.43%)
Jan 04, 2011	52.26	52.26	51.64	51.80	13,915	-0.22(-0.42%)
Jan 03, 2011	51.99	52.23	51.91	52.02	11,153	+0.52(+1.02%)
Dec 31, 2010	51.52	51.54	51.39	51.49	3,428	-0.09(-0.18%)
Dec 30, 2010	51.76	51.76	51.52	51.59	20,334	-0.04(-0.09%)
Dec 29, 2010	51.63	51.75	51.62	51.63	11,286	+0.11(+0.22%)
Dec 28, 2010	51.49	51.52	51.47	51.52	2,199	-0.06(-0.12%)
Dec 27, 2010	51.57	51.58	51.31	51.58	5,292	-0.17(-0.33%)
Dec 23, 2010	51.79	51.81	51.73	51.75	3,541	-0.06(-0.11%)
Dec 22, 2010	51.80	51.85	51.75	51.81	12,922	-0.04(-0.07%)
Dec 21, 2010	51.79	51.84	51.69	51.84	29,482	+0.29(+0.56%)
Dec 20, 2010	51.72	51.72	51.31	51.55	12,784	+0.06(+0.12%)
Dec 17, 2010	51.37	51.49	51.37	51.49	4,521	+0.17(+0.32%)
Dec 16, 2010	50.92	51.36	50.92	51.33	13,498	+0.19(+0.38%)
Dec 15, 2010	51.34	51.42	51.03	51.13	13,787	-0.12(-0.24%)
Dec 14, 2010	51.41	51.43	51.26	51.26	3,422	-0.18(-0.36%)
Dec 13, 2010	51.52	51.52	51.38	51.44	2,135	+0.25(+0.50%)
Dec 10, 2010	51.20	51.20	51.04	51.19	5,095	+0.27(+0.53%)
Dec 09, 2010	50.79	50.92	50.79	50.91	3,872	+0.05(+0.10%)
Dec 08, 2010	50.89	50.89	50.62	50.86	15,374	+0.07(+0.14%)
Dec 07, 2010	51.49	51.49	50.79	50.79	12,952	-0.11(-0.21%)
Dec 06, 2010	50.88	50.90	50.69	50.90	55,515	-0.01(-0.02%)
Dec 03, 2010	50.56	50.91	50.56	50.91	10,507	+0.19(+0.37%)
Dec 02, 2010	50.55	50.72	50.51	50.72	7,418	+0.50(+1.00%)

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