Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.25	22.25	22.15	22.24	49,077	-0.04(-0.18%)
May 20, 2011	22.26	22.32	22.24	22.28	42,911	+0.01(+0.04%)
May 19, 2011	22.17	22.27	22.17	22.27	40,783	+0.14(+0.63%)
May 18, 2011	22.00	22.18	21.97	22.13	52,375	+0.15(+0.68%)
May 17, 2011	21.87	22.00	21.83	21.98	57,532	+0.09(+0.41%)
May 16, 2011	21.78	21.91	21.77	21.89	64,430	+0.11(+0.51%)
May 13, 2011	21.82	21.82	21.72	21.78	43,064	+0.03(+0.14%)
May 12, 2011	21.70	21.77	21.61	21.75	49,331	+0.00(+0.00%)
May 11, 2011	21.84	21.84	21.72	21.75	64,066	-0.09(-0.41%)
May 10, 2011	21.77	21.87	21.72	21.84	50,333	+0.11(+0.51%)
May 09, 2011	21.65	21.75	21.58	21.73	52,148	+0.14(+0.65%)
May 06, 2011	21.63	21.63	21.50	21.59	92,459	+0.02(+0.09%)
May 05, 2011	21.59	21.59	21.46	21.57	67,095	-0.03(-0.14%)
May 04, 2011	21.71	21.71	21.53	21.60	47,390	-0.09(-0.41%)
May 03, 2011	21.84	21.84	21.63	21.69	49,285	-0.06(-0.28%)
May 02, 2011	21.55	21.76	21.75	21.75	84,951	+0.11(+0.51%)
Apr 29, 2011	21.55	21.64	21.54	21.64	36,822	+0.09(+0.42%)
Apr 28, 2011	21.53	21.57	21.49	21.55	56,788	+0.03(+0.14%)
Apr 27, 2011	21.49	21.52	21.41	21.52	54,593	+0.06(+0.28%)
Apr 26, 2011	21.44	21.47	21.41	21.46	57,778	+0.07(+0.33%)
Apr 25, 2011	21.40	21.43	21.35	21.39	94,043	-0.10(-0.47%)
Apr 21, 2011	21.51	21.51	21.43	21.49	60,532	+0.06(+0.28%)
Apr 20, 2011	21.43	21.47	21.39	21.43	514,251	+0.10(+0.47%)
Apr 19, 2011	21.26	21.33	21.26	21.33	44,578	+0.02(+0.09%)
Apr 18, 2011	21.33	21.33	21.16	21.31	61,368	-0.08(-0.37%)
Apr 15, 2011	21.48	21.55	21.39	21.39	60,075	-0.09(-0.42%)
Apr 14, 2011	21.50	21.51	21.44	21.48	32,130	+0.00(+0.00%)
Apr 13, 2011	21.43	21.53	21.32	21.48	65,923	+0.13(+0.61%)
Apr 12, 2011	21.45	21.45	21.25	21.35	80,491	-0.17(-0.79%)
Apr 11, 2011	21.66	21.66	21.46	21.52	81,758	-0.08(-0.37%)
Apr 08, 2011	21.67	21.68	21.54	21.60	36,128	-0.03(-0.14%)
Apr 07, 2011	21.80	21.80	21.63	21.63	40,778	-0.15(-0.69%)
Apr 06, 2011	21.90	21.90	21.71	21.78	39,432	-0.05(-0.23%)
Apr 05, 2011	21.89	21.89	21.76	21.83	108,165	-0.02(-0.09%)
Apr 04, 2011	21.88	21.88	21.78	21.85	44,116	+0.05(+0.23%)
Apr 01, 2011	21.75	21.83	21.73	21.80	52,875	+0.12(+0.55%)
Mar 31, 2011	21.75	21.75	21.66	21.68	42,190	-0.01(-0.05%)
Mar 30, 2011	21.65	21.72	21.64	21.69	34,502	+0.11(+0.51%)
Mar 29, 2011	21.58	21.62	21.52	21.58	34,631	+0.06(+0.28%)
Mar 28, 2011	21.65	21.66	21.51	21.52	38,703	-0.10(-0.46%)
Mar 25, 2011	21.69	21.74	21.62	21.62	60,677	-0.11(-0.51%)
Mar 24, 2011	21.85	21.85	21.73	21.73	55,377	-0.12(-0.55%)
Mar 23, 2011	21.84	21.85	21.76	21.85	40,387	+0.03(+0.14%)
Mar 22, 2011	21.76	21.82	21.76	21.82	115,356	+0.09(+0.41%)
Mar 21, 2011	21.60	21.74	21.67	21.73	55,032	+0.27(+1.26%)
Mar 18, 2011	21.51	21.59	21.45	21.46	62,239	+0.06(+0.28%)
Mar 17, 2011	21.34	21.41	21.28	21.40	68,493	+0.20(+0.94%)
Mar 16, 2011	21.15	21.25	21.10	21.20	105,788	+0.01(+0.05%)
Mar 15, 2011	20.93	21.20	20.88	21.19	138,378	-0.13(-0.61%)
Mar 14, 2011	21.33	21.33	21.20	21.32	40,910	-0.06(-0.28%)
Mar 11, 2011	21.22	21.42	21.21	21.38	140,767	+0.01(+0.05%)
Mar 10, 2011	21.51	21.51	21.28	21.37	194,802	-0.20(-0.93%)
Mar 09, 2011	21.75	21.75	21.50	21.57	212,914	-0.14(-0.64%)
Mar 08, 2011	21.70	21.79	21.68	21.71	53,585	+0.05(+0.23%)
Mar 07, 2011	21.88	21.89	21.65	21.66	81,657	-0.16(-0.73%)
Mar 04, 2011	21.81	21.85	21.77	21.82	103,957	+0.01(+0.05%)
Mar 03, 2011	21.74	21.83	21.74	21.81	51,433	+0.16(+0.74%)
Mar 02, 2011	21.64	21.66	21.57	21.65	91,907	+0.02(+0.09%)

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