Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	20.45	20.47	20.35	20.35	11,000	-0.13(-0.63%)
May 30, 2007	20.28	20.49	20.28	20.48	12,200	+0.13(+0.64%)
May 29, 2007	20.33	20.37	20.29	20.35	7,500	+0.12(+0.59%)
May 25, 2007	20.19	20.28	20.11	20.23	13,700	+0.08(+0.40%)
May 24, 2007	20.32	20.33	20.11	20.15	22,500	-0.17(-0.84%)
May 23, 2007	20.34	20.38	20.23	20.32	15,500	+0.02(+0.10%)
May 22, 2007	20.38	20.42	20.30	20.30	16,000	-0.07(-0.34%)
May 21, 2007	20.41	20.44	20.33	20.37	21,000	-0.04(-0.20%)
May 18, 2007	20.32	20.46	20.32	20.41	10,700	+0.09(+0.44%)
May 17, 2007	20.34	20.39	20.30	20.32	20,500	-0.14(-0.68%)
May 16, 2007	20.40	20.46	20.36	20.46	13,200	+0.11(+0.54%)
May 15, 2007	20.45	20.52	20.35	20.35	10,000	-0.10(-0.49%)
May 14, 2007	20.60	20.64	20.45	20.45	10,500	-0.14(-0.68%)
May 11, 2007	20.40	20.60	20.38	20.59	12,900	+0.23(+1.13%)
May 10, 2007	20.55	20.55	20.34	20.36	20,200	-0.19(-0.92%)
May 09, 2007	20.55	20.56	20.47	20.55	7,900	+0.01(+0.05%)
May 08, 2007	20.40	20.54	20.39	20.54	10,500	+0.04(+0.20%)
May 07, 2007	20.47	20.59	20.47	20.50	12,900	+0.03(+0.15%)
May 04, 2007	20.51	20.57	20.40	20.47	20,500	-0.04(-0.20%)
May 03, 2007	20.55	20.65	20.48	20.51	10,900	-0.04(-0.19%)
May 02, 2007	20.51	20.60	20.51	20.55	6,000	+0.01(+0.05%)
May 01, 2007	20.51	20.61	20.51	20.54	4,400	+0.00(+0.00%)
Apr 30, 2007	20.66	20.69	20.44	20.54	21,800	+0.04(+0.20%)
Apr 27, 2007	20.59	20.59	20.48	20.50	6,800	-0.08(-0.39%)
Apr 26, 2007	20.60	20.66	20.52	20.58	9,900	+0.01(+0.05%)
Apr 25, 2007	20.42	20.57	20.42	20.57	10,100	+0.15(+0.73%)
Apr 24, 2007	20.44	20.49	20.37	20.42	9,000	-0.02(-0.10%)
Apr 23, 2007	20.49	20.54	20.36	20.44	30,700	-0.08(-0.39%)
Apr 20, 2007	20.56	20.61	20.49	20.52	5,600	+0.03(+0.15%)
Apr 19, 2007	20.43	20.52	20.43	20.49	16,300	-0.02(-0.10%)
Apr 18, 2007	20.44	20.51	20.37	20.51	14,600	+0.06(+0.29%)
Apr 17, 2007	20.43	20.64	20.36	20.45	30,300	+0.02(+0.10%)
Apr 16, 2007	20.38	20.54	20.38	20.43	11,300	+0.03(+0.15%)
Apr 13, 2007	20.37	20.41	20.37	20.40	4,100	-0.04(-0.20%)
Apr 12, 2007	20.31	20.44	20.31	20.44	7,000	+0.11(+0.54%)
Apr 11, 2007	20.47	20.50	20.25	20.33	9,900	-0.11(-0.54%)
Apr 10, 2007	20.46	20.61	20.43	20.44	11,400	-0.07(-0.34%)
Apr 09, 2007	20.53	20.57	20.50	20.51	5,800	+0.07(+0.34%)
Apr 05, 2007	20.33	20.44	20.31	20.44	8,100	+0.11(+0.54%)
Apr 04, 2007	20.25	20.39	20.17	20.33	17,200	+0.07(+0.35%)
Apr 03, 2007	20.27	20.36	20.26	20.26	5,100	+0.03(+0.15%)
Apr 02, 2007	20.23	20.39	20.21	20.23	14,600	-0.02(-0.10%)
Mar 30, 2007	20.33	20.33	20.09	20.25	18,000	-0.04(-0.20%)
Mar 29, 2007	20.33	20.35	20.11	20.29	19,000	+0.16(+0.79%)
Mar 28, 2007	20.23	20.25	20.03	20.13	8,700	-0.15(-0.74%)
Mar 27, 2007	20.54	20.54	20.07	20.28	19,600	-0.22(-1.07%)
Mar 26, 2007	20.41	20.65	20.39	20.50	12,300	-0.03(-0.15%)
Mar 23, 2007	20.58	20.68	20.43	20.53	10,700	+0.01(+0.05%)
Mar 22, 2007	20.50	20.58	20.40	20.52	14,300	-0.01(-0.05%)
Mar 21, 2007	20.41	20.54	20.30	20.53	12,200	+0.17(+0.83%)
Mar 20, 2007	20.20	20.39	20.18	20.36	8,900	+0.15(+0.74%)
Mar 19, 2007	20.38	20.38	20.20	20.21	11,400	-0.10(-0.49%)
Mar 16, 2007	20.47	20.56	20.30	20.31	9,600	-0.16(-0.78%)
Mar 15, 2007	20.80	20.87	20.47	20.47	36,200	-0.47(-2.24%)
Mar 14, 2007	20.45	21.13	20.45	20.94	95,600	+0.04(+0.19%)
Mar 13, 2007	20.99	21.10	20.71	20.90	27,900	-0.09(-0.43%)
Mar 12, 2007	20.68	21.10	20.65	20.99	22,200	+0.26(+1.25%)
Mar 09, 2007	20.80	20.99	20.73	20.73	15,400	-0.05(-0.24%)
Mar 08, 2007	20.55	20.94	20.50	20.78	23,400	+0.33(+1.61%)
Mar 07, 2007	20.45	20.55	20.31	20.45	19,500	+0.10(+0.49%)
Mar 06, 2007	20.15	20.39	20.03	20.35	23,600	+0.30(+1.50%)
Mar 05, 2007	20.19	20.36	19.85	20.05	25,300	-0.26(-1.28%)
Mar 02, 2007	20.33	20.48	20.26	20.31	31,300	-0.01(-0.05%)

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