Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.95	20.96	20.86	20.89	109,362	-0.02(-0.09%)
May 23, 2011	20.92	20.95	20.84	20.91	91,341	-0.17(-0.83%)
May 20, 2011	21.19	21.19	21.03	21.08	133,457	-0.11(-0.51%)
May 19, 2011	21.14	21.20	21.07	21.19	1,042,324	+0.11(+0.51%)
May 18, 2011	20.97	21.09	20.91	21.08	1,042,543	+0.15(+0.72%)
May 17, 2011	20.88	20.97	20.83	20.93	178,448	+0.00(+0.00%)
May 16, 2011	20.93	21.02	20.91	20.93	431,676	-0.06(-0.29%)
May 13, 2011	21.08	21.12	20.96	20.99	185,613	-0.05(-0.24%)
May 12, 2011	20.76	21.06	20.76	21.04	1,051,718	+0.22(+1.07%)
May 11, 2011	20.87	20.94	20.75	20.82	63,304	-0.08(-0.36%)
May 10, 2011	20.79	20.92	20.79	20.89	1,008,731	+0.13(+0.64%)
May 09, 2011	20.75	20.79	20.69	20.76	43,705	+0.05(+0.22%)
May 06, 2011	20.76	20.89	20.66	20.72	83,877	+0.06(+0.31%)
May 05, 2011	20.67	20.81	20.60	20.65	129,583	-0.14(-0.68%)
May 04, 2011	20.85	20.86	20.75	20.79	27,501	-0.01(-0.06%)
May 03, 2011	20.80	20.83	20.75	20.81	305,157	-0.01(-0.06%)
May 02, 2011	20.80	20.82	20.80	20.82	45,901	+0.00(+0.00%)
Apr 29, 2011	20.84	20.85	20.79	20.82	37,500	+0.05(+0.22%)
Apr 28, 2011	20.58	20.78	20.58	20.77	82,737	+0.15(+0.74%)
Apr 27, 2011	20.61	20.63	20.54	20.62	45,456	+0.13(+0.62%)
Apr 26, 2011	20.41	20.52	20.38	20.49	266,799	+0.11(+0.56%)
Apr 25, 2011	20.36	20.38	20.27	20.38	58,605	-0.05(-0.27%)
Apr 21, 2011	20.49	20.49	20.40	20.43	191,000	+0.05(+0.25%)
Apr 20, 2011	20.44	20.44	20.37	20.38	165,512	+0.20(+1.00%)
Apr 19, 2011	20.18	20.18	20.07	20.18	238,456	+0.07(+0.33%)
Apr 18, 2011	20.17	20.17	20.01	20.11	101,363	-0.17(-0.85%)
Apr 15, 2011	20.20	20.32	20.17	20.29	51,218	+0.07(+0.36%)
Apr 14, 2011	20.06	20.23	20.04	20.21	196,632	+0.10(+0.49%)
Apr 13, 2011	20.12	20.14	20.07	20.11	78,783	+0.03(+0.16%)
Apr 12, 2011	20.06	20.10	19.97	20.08	193,901	+0.04(+0.18%)
Apr 11, 2011	20.10	20.13	20.04	20.04	353,478	+0.05(+0.27%)
Apr 08, 2011	20.18	20.18	19.92	19.99	2,060,138	-0.10(-0.51%)
Apr 07, 2011	20.17	20.17	20.01	20.09	44,103	-0.05(-0.24%)
Apr 06, 2011	20.23	20.23	20.12	20.14	53,850	-0.00(-0.01%)
Apr 05, 2011	20.09	20.18	20.09	20.14	53,189	+0.03(+0.15%)
Apr 04, 2011	20.09	20.13	20.07	20.11	32,326	+0.05(+0.22%)
Apr 01, 2011	20.05	20.14	19.99	20.07	47,333	+0.14(+0.69%)
Mar 31, 2011	19.95	20.00	19.92	19.93	229,694	-0.03(-0.15%)
Mar 30, 2011	19.90	19.98	19.89	19.96	349,434	+0.14(+0.73%)
Mar 29, 2011	19.69	19.82	19.69	19.82	28,488	+0.09(+0.47%)
Mar 28, 2011	19.82	19.85	19.72	19.72	88,878	-0.04(-0.18%)
Mar 25, 2011	19.71	19.83	19.71	19.76	62,922	+0.00(+0.00%)
Mar 24, 2011	19.64	19.78	19.63	19.76	53,205	+0.19(+0.95%)
Mar 23, 2011	19.44	19.60	19.39	19.57	33,493	+0.08(+0.43%)
Mar 22, 2011	19.54	19.56	19.48	19.49	43,918	-0.04(-0.22%)
Mar 21, 2011	19.56	19.57	19.52	19.53	41,485	+0.27(+1.42%)
Mar 18, 2011	19.31	19.31	19.21	19.26	131,981	+0.08(+0.42%)
Mar 17, 2011	19.35	19.52	19.15	19.18	58,677	+0.11(+0.57%)
Mar 16, 2011	19.28	19.40	18.97	19.07	94,424	-0.30(-1.55%)
Mar 15, 2011	19.28	19.41	19.27	19.37	78,939	-0.17(-0.86%)
Mar 14, 2011	19.55	19.60	19.42	19.54	88,922	-0.14(-0.73%)
Mar 11, 2011	19.55	19.72	19.53	19.68	87,946	+0.03(+0.15%)
Mar 10, 2011	19.73	19.76	19.64	19.65	262,485	-0.17(-0.83%)
Mar 09, 2011	19.70	19.83	19.70	19.82	19,795	+0.04(+0.19%)
Mar 08, 2011	19.53	19.80	19.53	19.78	98,964	+0.21(+1.07%)
Mar 07, 2011	19.72	19.73	19.50	19.57	55,432	-0.11(-0.55%)
Mar 04, 2011	19.75	19.79	19.56	19.68	61,660	-0.09(-0.44%)
Mar 03, 2011	19.67	19.80	19.67	19.76	95,822	+0.24(+1.25%)
Mar 02, 2011	19.46	19.60	19.46	19.52	36,016	+0.02(+0.12%)

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