Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	53.72	53.76	53.60	53.67	14,545	+0.12(+0.22%)
Apr 28, 2011	53.05	53.58	53.05	53.56	32,091	+0.40(+0.74%)
Apr 27, 2011	53.15	53.19	52.94	53.16	17,631	+0.33(+0.62%)
Apr 26, 2011	52.63	52.91	52.55	52.84	103,483	+0.29(+0.56%)
Apr 25, 2011	52.49	52.54	52.27	52.54	22,731	-0.14(-0.27%)
Apr 21, 2011	52.82	52.82	52.60	52.68	74,082	+0.13(+0.25%)
Apr 20, 2011	52.69	52.70	52.52	52.55	64,196	+0.52(+1.00%)
Apr 19, 2011	52.02	52.04	51.74	52.03	92,489	+0.17(+0.33%)
Apr 18, 2011	52.00	52.00	51.59	51.86	39,315	-0.44(-0.85%)
Apr 15, 2011	52.09	52.39	51.99	52.30	19,866	+0.19(+0.36%)
Apr 14, 2011	51.72	52.16	51.68	52.11	76,267	+0.26(+0.49%)
Apr 13, 2011	51.88	51.93	51.73	51.86	30,557	+0.09(+0.16%)
Apr 12, 2011	51.71	51.83	51.48	51.77	75,208	+0.09(+0.18%)
Apr 11, 2011	51.81	51.90	51.66	51.68	137,103	+0.14(+0.27%)
Apr 08, 2011	52.02	52.02	51.36	51.54	799,062	-0.26(-0.51%)
Apr 07, 2011	52.01	52.01	51.58	51.80	17,106	-0.12(-0.24%)
Apr 06, 2011	52.15	52.15	51.86	51.93	20,886	-0.01(-0.02%)
Apr 05, 2011	51.80	52.03	51.79	51.94	20,630	+0.08(+0.15%)
Apr 04, 2011	51.80	51.89	51.73	51.86	12,538	+0.12(+0.22%)
Apr 01, 2011	51.69	51.91	51.53	51.74	18,359	+0.36(+0.69%)
Mar 31, 2011	51.43	51.56	51.37	51.38	89,091	-0.08(-0.15%)
Mar 30, 2011	51.30	51.52	51.28	51.46	135,534	+0.37(+0.73%)
Mar 29, 2011	50.76	51.09	50.76	51.09	11,049	+0.24(+0.47%)
Mar 28, 2011	51.11	51.18	50.85	50.85	34,473	-0.09(-0.18%)
Mar 25, 2011	50.82	51.13	50.82	50.94	24,405	+0.17(+0.34%)
Mar 24, 2011	50.48	50.82	50.45	50.77	20,706	+0.48(+0.95%)
Mar 23, 2011	49.96	50.36	49.83	50.29	13,034	+0.22(+0.43%)
Mar 22, 2011	50.20	50.27	50.06	50.08	17,092	-0.11(-0.22%)
Mar 21, 2011	50.26	50.28	50.17	50.18	16,145	+0.70(+1.42%)
Mar 18, 2011	49.62	49.62	49.36	49.48	51,364	+0.20(+0.42%)
Mar 17, 2011	49.71	50.16	49.22	49.28	22,836	+0.28(+0.58%)
Mar 16, 2011	49.54	49.84	48.76	48.99	36,747	-0.77(-1.55%)
Mar 15, 2011	49.55	49.87	49.53	49.77	30,721	-0.43(-0.86%)
Mar 14, 2011	50.24	50.35	49.91	50.20	34,606	-0.37(-0.73%)
Mar 11, 2011	50.22	50.67	50.18	50.57	34,226	+0.08(+0.15%)
Mar 10, 2011	50.69	50.78	50.47	50.49	102,153	-0.42(-0.83%)
Mar 09, 2011	50.62	50.96	50.61	50.92	7,704	+0.10(+0.19%)
Mar 08, 2011	50.19	50.88	50.19	50.82	38,514	+0.54(+1.07%)
Mar 07, 2011	50.67	50.71	50.11	50.28	21,573	-0.28(-0.55%)
Mar 04, 2011	50.75	50.86	50.26	50.56	23,996	-0.22(-0.44%)
Mar 03, 2011	50.55	50.87	50.53	50.79	37,292	+0.63(+1.25%)
Mar 02, 2011	50.00	50.35	50.00	50.16	14,016	+0.06(+0.12%)
Mar 01, 2011	50.63	50.90	50.10	50.10	327,302	-0.53(-1.04%)
Feb 28, 2011	50.69	50.86	50.58	50.63	19,281	+0.10(+0.20%)
Feb 25, 2011	50.26	50.53	50.22	50.53	9,105	+0.43(+0.86%)
Feb 24, 2011	50.07	50.37	49.75	50.10	29,691	-0.13(-0.26%)
Feb 23, 2011	50.34	50.55	50.06	50.23	26,796	-0.28(-0.55%)
Feb 22, 2011	50.52	50.94	50.44	50.51	19,623	-0.51(-1.00%)
Feb 18, 2011	51.24	51.24	50.85	51.02	36,663	+0.06(+0.12%)
Feb 17, 2011	50.54	50.98	50.52	50.96	18,333	+0.38(+0.75%)
Feb 16, 2011	50.48	50.66	50.46	50.58	20,370	+0.19(+0.37%)
Feb 15, 2011	50.47	50.49	50.27	50.39	29,007	-0.13(-0.26%)
Feb 14, 2011	50.66	51.36	50.45	50.52	30,208	-0.16(-0.32%)
Feb 11, 2011	50.11	50.75	50.10	50.69	745,034	+0.52(+1.03%)
Feb 10, 2011	50.21	50.29	50.00	50.17	60,277	-0.26(-0.51%)
Feb 09, 2011	50.32	50.52	50.27	50.42	23,305	+0.08(+0.17%)
Feb 08, 2011	50.05	50.35	50.03	50.34	186,532	+0.32(+0.63%)
Feb 07, 2011	49.96	50.18	49.84	50.02	13,043	+0.26(+0.53%)
Feb 04, 2011	49.43	49.77	49.35	49.76	28,643	+0.37(+0.75%)
Feb 03, 2011	49.05	49.45	49.05	49.39	42,086	+0.25(+0.52%)
Feb 02, 2011	49.23	49.28	48.98	49.13	314,429	-0.20(-0.41%)

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