Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.89	22.89	22.79	22.82	4,055	-0.07(-0.29%)
May 23, 2011	22.91	23.00	22.87	22.89	34,509	-0.40(-1.70%)
May 20, 2011	23.21	23.35	23.21	23.29	4,413	-0.09(-0.38%)
May 19, 2011	23.33	23.38	23.32	23.38	3,999	+0.02(+0.10%)
May 18, 2011	23.15	23.35	23.11	23.35	4,815	+0.21(+0.93%)
May 17, 2011	23.09	23.14	23.06	23.14	39,640	-0.06(-0.28%)
May 16, 2011	23.23	23.31	23.17	23.20	3,354	-0.12(-0.51%)
May 13, 2011	23.45	23.50	23.32	23.32	5,773	-0.23(-0.97%)
May 12, 2011	23.53	23.59	23.53	23.55	913	+0.27(+1.14%)
May 11, 2011	23.52	23.53	23.29	23.29	4,749	-0.34(-1.43%)
May 10, 2011	23.36	23.63	23.36	23.62	9,774	+0.34(+1.45%)
May 09, 2011	23.19	23.32	23.17	23.29	10,494	+0.07(+0.32%)
May 06, 2011	23.36	23.44	23.20	23.21	20,706	+0.14(+0.62%)
May 05, 2011	23.18	23.32	23.07	23.07	22,207	-0.23(-1.00%)
May 04, 2011	23.18	23.32	23.15	23.30	12,068	-0.01(-0.03%)
May 03, 2011	23.46	23.46	23.29	23.31	15,140	-0.19(-0.80%)
May 02, 2011	23.49	23.50	23.49	23.50	39,121	-0.09(-0.38%)
Apr 29, 2011	23.52	23.64	23.52	23.59	23,208	+0.03(+0.13%)
Apr 28, 2011	23.49	23.58	23.46	23.56	5,833	+0.06(+0.25%)
Apr 27, 2011	23.36	23.50	23.31	23.50	25,399	+0.17(+0.74%)
Apr 26, 2011	23.24	23.35	23.22	23.32	82,127	+0.26(+1.14%)
Apr 25, 2011	23.11	23.11	22.99	23.06	7,424	-0.04(-0.16%)
Apr 21, 2011	23.00	23.12	23.00	23.10	4,176	+0.08(+0.36%)
Apr 20, 2011	22.99	23.08	22.95	23.02	60,704	+0.36(+1.59%)
Apr 19, 2011	22.58	22.69	22.58	22.66	1,728	+0.04(+0.16%)
Apr 18, 2011	22.67	22.67	22.52	22.62	9,567	-0.31(-1.37%)
Apr 15, 2011	22.86	23.01	22.82	22.94	2,039	+0.16(+0.70%)
Apr 14, 2011	22.76	22.83	22.65	22.78	15,028	-0.07(-0.30%)
Apr 13, 2011	22.82	22.86	22.73	22.85	9,791	+0.02(+0.10%)
Apr 12, 2011	22.90	23.00	22.79	22.82	42,821	-0.17(-0.75%)
Apr 11, 2011	23.19	23.19	23.00	23.00	35,526	-0.16(-0.71%)
Apr 08, 2011	23.40	23.43	23.09	23.16	25,413	-0.23(-0.99%)
Apr 07, 2011	23.45	23.51	23.35	23.39	7,144	-0.08(-0.35%)
Apr 06, 2011	23.41	23.47	23.38	23.47	33,024	+0.12(+0.52%)
Apr 05, 2011	23.29	23.51	23.24	23.35	6,665	+0.12(+0.50%)
Apr 04, 2011	23.32	23.33	23.22	23.23	62,287	-0.04(-0.16%)
Apr 01, 2011	23.35	23.35	23.21	23.27	65,174	+0.16(+0.71%)
Mar 31, 2011	23.11	23.14	23.07	23.11	3,406	+0.03(+0.12%)
Mar 30, 2011	22.93	23.10	22.92	23.08	17,625	+0.26(+1.13%)
Mar 29, 2011	22.70	22.83	22.70	22.82	23,003	+0.16(+0.73%)
Mar 28, 2011	22.80	22.85	22.66	22.66	6,843	-0.08(-0.36%)
Mar 25, 2011	22.66	22.85	22.64	22.74	9,640	+0.07(+0.33%)
Mar 24, 2011	22.59	22.67	22.47	22.67	7,333	+0.19(+0.83%)
Mar 23, 2011	22.35	22.48	22.33	22.48	26,656	+0.01(+0.03%)
Mar 22, 2011	22.48	22.51	22.44	22.47	8,539	-0.06(-0.27%)
Mar 21, 2011	22.52	22.55	22.52	22.53	24,165	+0.41(+1.86%)
Mar 18, 2011	22.19	22.20	22.12	22.12	2,139	+0.10(+0.48%)
Mar 17, 2011	22.04	22.09	21.94	22.01	5,844	+0.14(+0.66%)
Mar 16, 2011	22.11	22.14	21.69	21.87	30,797	-0.27(-1.22%)
Mar 15, 2011	22.19	22.24	22.14	22.14	7,660	-0.22(-1.00%)
Mar 14, 2011	22.20	22.37	22.20	22.37	4,550	-0.12(-0.53%)
Mar 11, 2011	22.29	22.49	22.29	22.49	4,022	+0.11(+0.50%)
Mar 10, 2011	22.40	22.48	22.33	22.37	4,091	-0.43(-1.87%)
Mar 09, 2011	22.79	22.85	22.61	22.80	7,154	+0.02(+0.11%)
Mar 08, 2011	22.59	22.81	22.59	22.78	3,238	+0.32(+1.43%)
Mar 07, 2011	22.75	22.75	22.37	22.46	5,248	-0.19(-0.86%)
Mar 04, 2011	22.85	22.85	22.53	22.65	14,470	-0.20(-0.89%)
Mar 03, 2011	22.68	22.87	22.68	22.85	38,515	+0.37(+1.64%)
Mar 02, 2011	22.41	22.50	22.40	22.49	5,973	+0.04(+0.20%)

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