Date	Open	High	Low	Close	Volume	Change (%)
May 30, 2008	20.72	20.73	20.61	20.68	56,812	+0.03(+0.13%)
May 29, 2008	20.50	20.69	20.50	20.65	111,650	+0.09(+0.44%)
May 28, 2008	20.60	20.61	20.48	20.56	176,619	+0.01(+0.04%)
May 27, 2008	20.50	20.59	20.44	20.56	46,328	+0.02(+0.10%)
May 26, 2008	20.58	20.60	20.48	20.54	0	+0.00(+0.00%)
May 23, 2008	20.58	20.60	20.48	20.54	58,376	-0.05(-0.23%)
May 22, 2008	20.48	20.60	20.44	20.58	50,756	+0.22(+1.09%)
May 21, 2008	20.68	20.68	20.35	20.36	86,600	-0.26(-1.25%)
May 20, 2008	20.78	20.78	20.54	20.62	66,375	-0.19(-0.93%)
May 19, 2008	20.88	20.89	20.75	20.81	40,982	-0.10(-0.48%)
May 16, 2008	20.84	20.92	20.75	20.91	41,536	+0.11(+0.55%)
May 15, 2008	20.65	20.83	20.56	20.80	64,672	+0.23(+1.10%)
May 14, 2008	20.59	20.66	20.53	20.57	104,551	-0.01(-0.07%)
May 13, 2008	20.60	20.60	20.48	20.59	52,053	+0.02(+0.09%)
May 12, 2008	20.41	20.57	20.41	20.57	42,425	+0.14(+0.68%)
May 09, 2008	20.43	20.47	20.39	20.43	27,371	-0.03(-0.15%)
May 08, 2008	20.58	20.62	20.46	20.46	89,532	+0.12(+0.58%)
May 07, 2008	20.50	20.51	20.33	20.34	131,019	-0.16(-0.79%)
May 06, 2008	20.37	20.58	20.37	20.50	176,059	-0.04(-0.18%)
May 05, 2008	20.53	20.56	20.46	20.54	124,080	-0.06(-0.31%)
May 02, 2008	20.76	20.76	20.53	20.60	74,597	-0.04(-0.20%)
May 01, 2008	20.52	20.65	20.52	20.64	52,675	+0.11(+0.56%)
Apr 30, 2008	20.62	20.78	20.52	20.53	73,522	+0.05(+0.25%)
Apr 29, 2008	20.49	20.54	20.37	20.48	96,246	-0.09(-0.44%)
Apr 28, 2008	20.60	20.63	20.53	20.57	30,007	+0.03(+0.13%)
Apr 25, 2008	20.68	20.68	20.46	20.54	76,617	-0.11(-0.56%)
Apr 24, 2008	20.62	20.70	20.43	20.66	187,790	-0.01(-0.03%)
Apr 23, 2008	20.59	20.68	20.51	20.66	61,554	+0.08(+0.38%)
Apr 22, 2008	20.66	20.68	20.54	20.59	61,663	-0.20(-0.97%)
Apr 21, 2008	20.64	20.79	20.61	20.79	46,183	+0.02(+0.11%)
Apr 18, 2008	20.97	20.98	20.69	20.77	64,601	+0.04(+0.20%)
Apr 17, 2008	20.70	20.76	20.64	20.73	87,711	-0.13(-0.62%)
Apr 16, 2008	20.71	20.87	20.67	20.85	122,445	+0.17(+0.84%)
Apr 15, 2008	20.65	20.68	20.55	20.68	173,610	+0.18(+0.86%)
Apr 14, 2008	20.41	20.55	20.41	20.51	60,458	+0.12(+0.60%)
Apr 11, 2008	20.44	20.53	20.37	20.38	114,170	-0.23(-1.10%)
Apr 10, 2008	20.56	20.67	20.56	20.61	112,985	+0.04(+0.20%)
Apr 09, 2008	20.68	20.68	20.49	20.57	132,384	-0.17(-0.81%)
Apr 08, 2008	20.75	20.75	20.60	20.74	47,208	-0.09(-0.42%)
Apr 07, 2008	20.97	20.97	20.77	20.83	63,378	+0.01(+0.05%)
Apr 04, 2008	20.96	20.96	20.74	20.82	58,344	+0.07(+0.33%)
Apr 03, 2008	20.65	20.79	20.64	20.75	43,535	+0.00(+0.02%)
Apr 02, 2008	20.72	20.80	20.65	20.75	67,821	-0.09(-0.42%)
Apr 01, 2008	20.68	20.85	20.57	20.83	111,004	+0.32(+1.55%)
Mar 31, 2008	20.43	20.59	19.82	20.52	129,422	+0.10(+0.48%)
Mar 28, 2008	20.48	20.53	20.36	20.42	37,908	-0.03(-0.15%)
Mar 27, 2008	20.67	20.67	20.43	20.45	82,315	-0.10(-0.51%)
Mar 26, 2008	20.52	20.58	20.45	20.55	46,201	+0.03(+0.13%)
Mar 25, 2008	20.43	20.56	20.37	20.53	50,347	+0.13(+0.65%)
Mar 24, 2008	20.26	20.50	20.26	20.39	49,844	+0.17(+0.83%)
Mar 21, 2008	19.90	20.26	19.87	20.23	125,276	+0.00(+0.00%)
Mar 20, 2008	19.90	20.26	19.87	20.23	125,276	+0.35(+1.75%)
Mar 19, 2008	20.14	20.22	19.86	19.88	36,961	-0.25(-1.26%)
Mar 18, 2008	20.14	20.14	19.90	20.13	102,709	+0.31(+1.57%)
Mar 17, 2008	19.45	19.88	19.45	19.82	56,863	-0.04(-0.19%)
Mar 14, 2008	20.27	20.27	19.78	19.86	80,260	-0.39(-1.90%)
Mar 13, 2008	19.92	20.32	19.92	20.24	67,525	+0.24(+1.20%)
Mar 12, 2008	20.09	20.12	19.97	20.00	50,347	-0.09(-0.47%)
Mar 11, 2008	20.05	20.10	19.81	20.10	154,596	+0.34(+1.71%)
Mar 10, 2008	19.89	19.89	19.73	19.76	23,989	+0.02(+0.09%)
Mar 07, 2008	19.69	19.85	19.69	19.74	58,068	-0.12(-0.63%)
Mar 06, 2008	19.92	20.00	19.87	19.87	279,281	-0.07(-0.37%)
Mar 05, 2008	19.84	20.01	19.76	19.94	42,055	+0.08(+0.43%)
Mar 04, 2008	19.74	19.91	19.65	19.86	439,801	-0.05(-0.24%)

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