Date	Open	High	Low	Close	Volume	Change (%)
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%)
Mar 03, 2008	19.85	19.90	19.75	19.90	223,898	+0.16(+0.79%)
Feb 29, 2008	20.03	20.03	19.73	19.75	319,899	-0.38(-1.88%)
Feb 28, 2008	20.20	20.24	20.10	20.13	186,582	-0.04(-0.20%)
Feb 27, 2008	20.21	20.35	20.15	20.17	621,867	-0.07(-0.37%)
Feb 26, 2008	20.00	20.29	20.00	20.24	100,102	+0.18(+0.90%)
Feb 25, 2008	19.92	20.07	19.83	20.06	226,860	+0.10(+0.50%)
Feb 22, 2008	19.93	19.96	19.69	19.96	36,131	+0.23(+1.16%)
Feb 21, 2008	19.81	20.01	19.71	19.73	69,302	+0.05(+0.24%)
Feb 20, 2008	19.55	19.80	19.52	19.69	51,473	-0.11(-0.55%)
Feb 19, 2008	20.03	20.03	19.71	19.79	80,556	-0.01(-0.03%)
Feb 18, 2008	19.70	19.80	19.62	19.80	0	+0.00(+0.00%)
Feb 15, 2008	19.70	19.80	19.62	19.80	86,343	+0.09(+0.46%)
Feb 14, 2008	19.94	19.94	19.64	19.71	97,538	-0.15(-0.76%)
Feb 13, 2008	19.90	19.90	19.72	19.86	40,592	+0.12(+0.60%)
Feb 12, 2008	19.73	19.84	19.66	19.74	246,703	+0.24(+1.25%)
Feb 11, 2008	19.47	19.56	19.33	19.50	65,123	+0.08(+0.43%)
Feb 08, 2008	19.39	19.52	19.35	19.41	147,785	-0.03(-0.17%)
Feb 07, 2008	19.35	19.54	19.32	19.45	555,896	-0.00(-0.02%)
Feb 06, 2008	19.47	19.64	19.43	19.45	2,307,105	+0.04(+0.19%)
Feb 05, 2008	19.54	19.68	19.39	19.41	816,519	-0.52(-2.63%)
Feb 04, 2008	20.00	20.11	19.88	19.94	1,069,371	-0.07(-0.35%)

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