Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.20	21.24	21.09	21.16	98,382	+0.13(+0.60%)
May 23, 2011	21.09	21.10	20.93	21.04	230,020	-0.48(-2.25%)
May 20, 2011	21.70	21.70	21.43	21.52	176,442	-0.27(-1.23%)
May 19, 2011	21.77	21.82	21.62	21.79	253,882	+0.09(+0.41%)
May 18, 2011	21.52	21.74	21.45	21.70	237,969	+0.23(+1.08%)
May 17, 2011	21.40	21.52	21.24	21.47	373,912	+0.01(+0.03%)
May 16, 2011	21.43	21.66	21.41	21.46	184,726	-0.05(-0.24%)
May 13, 2011	21.83	21.83	21.37	21.51	162,741	-0.34(-1.53%)
May 12, 2011	21.72	21.90	21.54	21.85	384,992	+0.09(+0.41%)
May 11, 2011	22.06	22.06	21.63	21.76	172,881	-0.32(-1.45%)
May 10, 2011	21.99	22.12	21.95	22.08	362,975	+0.10(+0.47%)
May 09, 2011	21.89	21.99	21.71	21.98	155,074	+0.16(+0.75%)
May 06, 2011	21.99	22.15	21.70	21.81	205,965	+0.02(+0.10%)
May 05, 2011	21.98	22.01	21.68	21.79	320,365	-0.43(-1.95%)
May 04, 2011	22.49	22.49	22.15	22.22	141,592	-0.24(-1.05%)
May 03, 2011	22.53	22.62	22.34	22.46	128,322	-0.15(-0.68%)
May 02, 2011	22.62	22.64	22.57	22.61	760,632	-0.06(-0.28%)
Apr 29, 2011	22.64	22.72	22.60	22.68	148,837	+0.06(+0.26%)
Apr 28, 2011	22.50	22.62	22.44	22.62	171,982	+0.12(+0.53%)
Apr 27, 2011	22.35	22.52	22.17	22.50	200,920	+0.22(+1.00%)
Apr 26, 2011	22.19	22.28	22.10	22.27	206,828	+0.13(+0.57%)
Apr 25, 2011	22.14	22.16	22.03	22.15	272,044	+0.07(+0.31%)
Apr 21, 2011	22.11	22.15	22.01	22.08	82,900	+0.09(+0.40%)
Apr 20, 2011	21.93	21.99	21.88	21.99	163,470	+0.52(+2.43%)
Apr 19, 2011	21.42	21.48	21.33	21.47	103,619	+0.21(+0.98%)
Apr 18, 2011	21.35	21.35	21.04	21.26	390,890	-0.45(-2.06%)
Apr 15, 2011	21.68	21.76	21.63	21.71	123,055	-0.03(-0.14%)
Apr 14, 2011	21.60	21.77	21.53	21.74	223,264	+0.07(+0.34%)
Apr 13, 2011	21.71	21.81	21.57	21.66	226,180	+0.10(+0.45%)
Apr 12, 2011	21.71	21.71	21.48	21.57	141,555	-0.26(-1.19%)
Apr 11, 2011	21.95	21.96	21.74	21.83	555,314	-0.05(-0.24%)
Apr 08, 2011	21.98	21.98	21.80	21.88	137,218	+0.17(+0.76%)
Apr 07, 2011	21.77	21.82	21.59	21.71	187,436	-0.08(-0.39%)
Apr 06, 2011	21.74	21.83	21.73	21.80	276,750	+0.15(+0.69%)
Apr 05, 2011	21.53	21.69	21.50	21.65	158,264	-0.02(-0.10%)
Apr 04, 2011	21.77	21.77	21.59	21.67	462,967	+0.02(+0.10%)
Apr 01, 2011	21.56	21.70	21.42	21.65	167,016	+0.19(+0.90%)
Mar 31, 2011	21.45	21.51	21.38	21.45	185,951	+0.00(+0.00%)
Mar 30, 2011	21.42	21.53	21.37	21.45	152,982	+0.13(+0.59%)
Mar 29, 2011	21.14	21.33	21.08	21.33	228,917	+0.19(+0.88%)
Mar 28, 2011	21.24	21.30	21.13	21.14	120,629	-0.03(-0.14%)
Mar 25, 2011	21.25	21.36	21.16	21.17	569,489	-0.19(-0.87%)
Mar 24, 2011	21.23	21.39	21.14	21.36	187,075	+0.25(+1.16%)
Mar 23, 2011	20.98	21.15	20.90	21.11	229,241	+0.04(+0.18%)
Mar 22, 2011	21.14	21.14	20.96	21.07	155,129	-0.02(-0.11%)
Mar 21, 2011	21.04	21.14	21.02	21.10	300,099	+0.45(+2.16%)
Mar 18, 2011	20.68	20.70	20.54	20.65	138,594	+0.30(+1.46%)
Mar 17, 2011	20.32	20.47	20.22	20.35	222,987	+0.60(+3.02%)
Mar 16, 2011	20.20	20.23	19.54	19.76	1,062,506	-0.51(-2.50%)
Mar 15, 2011	20.12	20.37	20.10	20.26	1,268,034	-0.46(-2.22%)
Mar 14, 2011	20.64	20.74	20.49	20.72	248,974	-0.35(-1.67%)
Mar 11, 2011	20.85	21.12	20.84	21.07	201,921	+0.02(+0.11%)
Mar 10, 2011	21.23	21.23	21.00	21.05	201,723	-0.52(-2.42%)
Mar 09, 2011	21.63	21.63	21.50	21.57	168,410	-0.01(-0.07%)
Mar 08, 2011	21.51	21.65	21.36	21.59	158,794	+0.08(+0.38%)
Mar 07, 2011	21.89	21.89	21.45	21.51	240,065	-0.22(-1.03%)
Mar 04, 2011	21.87	21.91	21.57	21.73	216,803	-0.13(-0.61%)
Mar 03, 2011	21.80	21.90	21.71	21.86	101,441	+0.25(+1.18%)
Mar 02, 2011	21.57	21.68	21.53	21.61	611,790	+0.10(+0.47%)

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