Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.42	22.47	22.29	22.41	35,833	-0.07(-0.31%)
May 23, 2011	22.54	22.56	22.43	22.48	37,670	-0.10(-0.44%)
May 20, 2011	22.51	22.63	22.44	22.58	41,280	+0.06(+0.27%)
May 19, 2011	22.42	22.52	22.33	22.52	36,371	+0.10(+0.45%)
May 18, 2011	22.40	22.48	22.36	22.42	47,504	+0.00(+0.00%)
May 17, 2011	22.35	22.50	22.35	22.42	74,312	-0.06(-0.27%)
May 16, 2011	22.51	22.53	22.46	22.48	25,127	-0.06(-0.27%)
May 13, 2011	22.54	22.58	22.53	22.54	42,871	+0.00(+0.00%)
May 12, 2011	22.50	22.57	22.43	22.54	53,504	+0.01(+0.04%)
May 11, 2011	22.43	22.53	22.41	22.53	22,250	+0.06(+0.27%)
May 10, 2011	22.48	22.53	22.43	22.47	47,041	-0.01(-0.04%)
May 09, 2011	22.30	22.48	22.28	22.48	30,717	+0.18(+0.81%)
May 06, 2011	22.20	22.37	22.19	22.30	28,745	+0.10(+0.45%)
May 05, 2011	22.07	22.35	22.02	22.20	47,722	+0.10(+0.45%)
May 04, 2011	22.14	22.14	22.03	22.10	40,824	-0.06(-0.27%)
May 03, 2011	21.90	22.18	21.90	22.16	30,102	+0.30(+1.37%)
May 02, 2011	21.86	21.86	21.86	21.86	35,595	+0.03(+0.14%)
Apr 29, 2011	21.69	21.87	21.69	21.83	44,577	+0.10(+0.46%)
Apr 28, 2011	21.75	21.83	21.73	21.73	35,801	-0.01(-0.05%)
Apr 27, 2011	21.69	21.74	21.60	21.74	39,759	+0.11(+0.51%)
Apr 26, 2011	21.57	21.68	21.55	21.63	22,585	+0.09(+0.42%)
Apr 25, 2011	21.50	21.54	21.40	21.54	22,082	+0.10(+0.47%)
Apr 21, 2011	21.35	21.46	21.30	21.44	27,294	-0.07(-0.33%)
Apr 20, 2011	21.35	21.51	21.30	21.51	32,816	+0.19(+0.89%)
Apr 19, 2011	21.24	21.37	21.21	21.32	67,007	+0.15(+0.71%)
Apr 18, 2011	21.24	21.25	21.15	21.17	61,352	-0.11(-0.52%)
Apr 15, 2011	21.20	21.29	21.16	21.28	58,980	+0.19(+0.90%)
Apr 14, 2011	21.19	21.24	21.08	21.09	25,315	-0.13(-0.61%)
Apr 13, 2011	21.15	21.23	21.05	21.22	245,978	+0.09(+0.43%)
Apr 12, 2011	21.28	21.34	21.13	21.13	33,624	-0.12(-0.56%)
Apr 11, 2011	21.26	21.30	21.22	21.25	22,179	+0.05(+0.24%)
Apr 08, 2011	21.39	21.39	21.17	21.20	41,415	-0.07(-0.33%)
Apr 07, 2011	21.39	21.47	21.27	21.27	39,777	-0.12(-0.56%)
Apr 06, 2011	21.54	21.56	21.30	21.39	48,742	-0.07(-0.33%)
Apr 05, 2011	21.31	21.48	21.31	21.46	18,664	+0.17(+0.80%)
Apr 04, 2011	21.41	21.49	21.23	21.29	52,592	-0.13(-0.61%)
Apr 01, 2011	21.46	21.54	21.40	21.42	28,509	-0.02(-0.09%)
Mar 31, 2011	21.43	21.49	21.33	21.44	46,882	+0.22(+1.04%)
Mar 30, 2011	21.38	21.38	21.22	21.22	46,175	-0.44(-2.03%)
Mar 29, 2011	21.66	21.74	21.64	21.66	29,021	+0.03(+0.14%)
Mar 28, 2011	21.62	21.65	21.59	21.63	24,206	+0.04(+0.19%)
Mar 25, 2011	21.62	21.67	21.53	21.59	34,586	+0.00(+0.00%)
Mar 24, 2011	21.75	21.80	21.59	21.59	32,562	-0.07(-0.32%)
Mar 23, 2011	21.64	21.68	21.57	21.66	43,113	+0.02(+0.09%)
Mar 22, 2011	21.70	21.73	21.60	21.64	35,429	-0.06(-0.28%)
Mar 21, 2011	21.75	21.75	21.66	21.70	29,533	+0.11(+0.51%)
Mar 18, 2011	21.58	21.61	21.44	21.59	38,050	+0.05(+0.23%)
Mar 17, 2011	21.75	21.75	21.48	21.54	23,940	-0.16(-0.74%)
Mar 16, 2011	21.76	21.80	21.66	21.70	27,005	-0.02(-0.09%)
Mar 15, 2011	21.77	22.10	21.72	21.72	51,089	-0.38(-1.72%)
Mar 14, 2011	22.02	22.14	22.00	22.10	33,717	-0.04(-0.18%)
Mar 11, 2011	22.09	22.16	22.07	22.14	15,173	-0.02(-0.09%)
Mar 10, 2011	22.25	22.25	22.13	22.16	34,154	-0.09(-0.40%)
Mar 09, 2011	22.15	22.26	22.11	22.25	67,826	+0.07(+0.32%)
Mar 08, 2011	21.99	22.21	21.99	22.18	27,046	+0.20(+0.91%)
Mar 07, 2011	22.07	22.11	21.91	21.98	50,200	-0.11(-0.50%)
Mar 04, 2011	22.13	22.13	21.90	22.09	23,880	-0.04(-0.18%)
Mar 03, 2011	22.18	22.18	21.85	22.13	33,133	+0.13(+0.59%)
Mar 02, 2011	21.99	22.15	21.95	22.00	18,585	-0.06(-0.27%)

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