Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	58.67	59.36	58.16	58.55	206,294	+0.20(+0.34%)
May 23, 2011	58.08	58.50	57.80	58.35	233,702	-0.19(-0.32%)
May 20, 2011	58.12	58.63	57.55	58.54	194,058	+0.25(+0.43%)
May 19, 2011	58.02	58.41	57.76	58.29	267,297	+0.60(+1.04%)
May 18, 2011	56.80	57.90	56.61	57.69	298,983	+1.12(+1.98%)
May 17, 2011	57.43	57.43	55.85	56.57	409,229	-0.88(-1.53%)
May 16, 2011	57.89	58.26	57.30	57.45	213,826	-0.51(-0.88%)
May 13, 2011	57.90	59.38	57.58	57.96	238,699	+0.27(+0.47%)
May 12, 2011	58.10	58.35	57.25	57.69	244,764	-0.50(-0.86%)
May 11, 2011	58.62	58.62	57.44	58.19	314,806	-0.43(-0.73%)
May 10, 2011	58.96	59.30	58.47	58.62	245,664	-0.20(-0.34%)
May 09, 2011	59.46	59.61	58.44	58.82	240,396	-0.21(-0.36%)
May 06, 2011	57.60	59.25	57.60	59.03	437,303	+1.66(+2.89%)
May 05, 2011	56.51	57.67	55.55	57.37	641,960	-0.16(-0.28%)
May 04, 2011	59.86	59.86	56.31	57.53	791,358	-1.41(-2.39%)
May 03, 2011	60.00	60.45	58.82	58.94	466,359	-1.08(-1.80%)
May 02, 2011	59.92	60.12	59.83	60.02	509,836	-1.48(-2.41%)
Apr 29, 2011	61.89	63.10	61.47	61.50	546,708	-0.25(-0.40%)
Apr 28, 2011	61.70	61.91	61.29	61.75	173,391	+0.12(+0.19%)
Apr 27, 2011	61.46	61.66	61.05	61.63	190,455	+0.46(+0.75%)
Apr 26, 2011	61.38	61.46	61.08	61.17	193,273	-0.01(-0.02%)
Apr 25, 2011	60.94	61.28	60.83	61.18	169,137	+0.32(+0.53%)
Apr 21, 2011	60.59	60.94	60.29	60.86	149,723	+0.29(+0.48%)
Apr 20, 2011	60.37	60.95	60.24	60.57	272,505	+0.48(+0.80%)
Apr 19, 2011	59.79	60.26	59.68	60.09	220,223	+0.45(+0.75%)
Apr 18, 2011	59.68	59.93	59.40	59.64	144,765	-0.40(-0.67%)
Apr 15, 2011	59.87	60.19	59.73	60.04	283,683	+0.31(+0.52%)
Apr 14, 2011	59.61	59.97	59.36	59.73	187,917	-0.03(-0.05%)
Apr 13, 2011	59.77	60.14	59.33	59.76	228,950	+0.32(+0.54%)
Apr 12, 2011	59.49	59.92	58.52	59.44	310,561	-0.47(-0.78%)
Apr 11, 2011	60.17	60.41	59.75	59.91	222,788	-0.14(-0.23%)
Apr 08, 2011	60.66	60.72	59.75	60.05	198,184	-0.37(-0.61%)
Apr 07, 2011	60.38	60.71	60.12	60.42	202,681	+0.17(+0.28%)
Apr 06, 2011	60.45	60.46	60.10	60.25	207,378	+0.09(+0.15%)
Apr 05, 2011	60.20	60.24	60.02	60.16	212,803	-0.08(-0.13%)
Apr 04, 2011	60.06	60.34	59.97	60.24	254,308	+0.30(+0.50%)
Apr 01, 2011	59.52	60.25	59.52	59.94	296,800	+0.08(+0.13%)
Mar 31, 2011	59.48	60.15	59.45	59.86	302,112	+0.41(+0.69%)
Mar 30, 2011	59.20	59.80	59.10	59.45	224,585	+0.54(+0.92%)
Mar 29, 2011	59.03	59.10	58.67	58.91	164,704	-0.08(-0.14%)
Mar 28, 2011	59.29	59.49	58.98	58.99	190,708	-0.07(-0.12%)
Mar 25, 2011	58.81	59.25	58.81	59.06	222,523	+0.18(+0.31%)
Mar 24, 2011	58.46	58.88	58.40	58.88	215,278	+0.56(+0.96%)
Mar 23, 2011	58.89	58.89	58.30	58.32	192,021	-0.49(-0.83%)
Mar 22, 2011	58.58	58.81	58.41	58.81	182,064	+0.29(+0.50%)
Mar 21, 2011	58.14	58.55	57.97	58.52	286,303	+1.13(+1.97%)
Mar 18, 2011	58.64	58.95	57.39	57.39	527,319	-0.83(-1.43%)
Mar 17, 2011	58.21	58.44	57.75	58.22	261,141	+0.32(+0.55%)
Mar 16, 2011	57.37	58.04	57.00	57.90	291,188	+0.53(+0.92%)
Mar 15, 2011	57.23	58.00	57.14	57.37	404,348	-0.63(-1.09%)
Mar 14, 2011	57.49	58.07	57.46	58.00	271,562	+0.23(+0.40%)
Mar 11, 2011	57.55	58.01	57.31	57.77	209,671	-0.28(-0.48%)
Mar 10, 2011	58.55	58.58	57.08	58.05	517,251	-0.79(-1.34%)
Mar 09, 2011	59.17	59.40	58.64	58.84	159,382	-0.51(-0.86%)
Mar 08, 2011	59.11	59.49	58.75	59.35	227,356	+0.13(+0.22%)
Mar 07, 2011	59.72	59.93	58.77	59.22	237,302	-0.12(-0.20%)
Mar 04, 2011	59.43	59.72	59.15	59.34	232,865	+0.01(+0.02%)
Mar 03, 2011	59.86	60.00	59.26	59.33	214,680	+0.06(+0.10%)
Mar 02, 2011	59.98	59.98	59.10	59.27	325,352	-0.48(-0.80%)

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