Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	20.13	20.30	20.10	20.19	10,107,161	+0.08(+0.40%)
May 30, 2007	20.09	20.13	20.00	20.11	4,250,630	+0.01(+0.05%)
May 29, 2007	20.00	20.16	19.98	20.10	3,088,595	+0.13(+0.65%)
May 25, 2007	20.00	20.07	19.85	19.97	1,753,353	-0.03(-0.15%)
May 24, 2007	20.17	20.25	19.98	20.00	3,559,694	-0.26(-1.28%)
May 23, 2007	19.91	20.30	19.91	20.26	7,393,291	+0.30(+1.50%)
May 22, 2007	19.87	19.99	19.86	19.96	1,912,899	+0.03(+0.15%)
May 21, 2007	19.90	20.00	19.83	19.93	2,683,568	-0.05(-0.25%)
May 18, 2007	19.98	20.03	19.86	19.98	1,507,835	-0.01(-0.05%)
May 17, 2007	19.94	20.07	19.94	19.99	1,804,785	+0.04(+0.20%)
May 16, 2007	19.95	20.00	19.92	19.95	2,108,205	-0.03(-0.15%)
May 15, 2007	20.15	20.20	19.86	19.98	2,738,832	-0.20(-0.99%)
May 14, 2007	20.30	20.45	20.11	20.18	895,300	-0.19(-0.93%)
May 11, 2007	20.16	20.43	20.15	20.37	1,426,200	+0.12(+0.59%)
May 10, 2007	20.43	20.57	20.23	20.25	1,915,100	-0.26(-1.27%)
May 09, 2007	20.30	20.56	20.30	20.51	3,331,400	+0.13(+0.64%)
May 08, 2007	20.39	20.42	20.25	20.38	3,481,600	+0.08(+0.39%)
May 07, 2007	20.35	20.38	20.28	20.30	2,751,500	+0.00(+0.00%)
May 04, 2007	20.30	20.34	20.15	20.30	3,300,600	+0.03(+0.15%)
May 03, 2007	20.15	20.29	20.07	20.27	2,801,600	+0.09(+0.45%)
May 02, 2007	20.01	20.25	20.00	20.18	6,007,500	+0.12(+0.60%)
May 01, 2007	19.90	20.07	19.90	20.06	6,435,400	+0.15(+0.75%)
Apr 30, 2007	19.95	20.05	19.85	19.91	4,573,300	-0.09(-0.45%)
Apr 27, 2007	19.98	20.05	19.95	20.00	3,711,100	-0.05(-0.25%)
Apr 26, 2007	20.00	20.12	19.99	20.05	7,369,200	+0.10(+0.50%)
Apr 25, 2007	20.14	20.19	19.92	19.95	7,338,900	-0.12(-0.60%)
Apr 24, 2007	20.27	20.35	19.83	20.07	13,242,300	-0.33(-1.62%)
Apr 23, 2007	20.61	20.71	20.34	20.40	5,341,300	-0.34(-1.64%)
Apr 20, 2007	20.82	20.85	20.58	20.74	7,017,600	-0.05(-0.24%)
Apr 19, 2007	20.84	20.85	20.71	20.79	8,552,800	-0.06(-0.29%)
Apr 18, 2007	20.77	20.87	20.70	20.85	9,422,900	+0.05(+0.24%)
Apr 17, 2007	20.74	20.87	20.59	20.80	12,242,500	+0.05(+0.24%)
Apr 16, 2007	20.36	20.78	20.00	20.75	29,702,800	-22.52(-52.05%)
Apr 13, 2007	43.70	43.74	43.10	43.27	4,671,000	-0.44(-1.01%)
Apr 12, 2007	44.03	44.17	43.55	43.71	10,268,629	+0.16(+0.37%)
Apr 11, 2007	43.86	44.20	43.18	43.55	1,403,566	-0.64(-1.45%)
Apr 10, 2007	44.41	44.89	44.13	44.19	1,682,221	-0.22(-0.50%)
Apr 09, 2007	44.33	44.46	43.97	44.41	1,002,359	+0.15(+0.34%)
Apr 05, 2007	43.97	44.28	43.97	44.26	575,929	+0.20(+0.45%)
Apr 04, 2007	44.14	44.20	43.90	44.06	678,121	+0.03(+0.07%)
Apr 03, 2007	44.29	44.52	43.99	44.03	1,257,090	-0.16(-0.36%)
Apr 02, 2007	44.34	44.39	44.10	44.19	672,154	-0.21(-0.47%)
Mar 30, 2007	44.43	44.62	43.93	44.40	1,057,840	-0.01(-0.02%)
Mar 29, 2007	44.12	44.43	43.96	44.41	607,582	+0.57(+1.30%)
Mar 28, 2007	44.50	44.55	43.79	43.84	814,303	-0.89(-1.99%)
Mar 27, 2007	44.61	45.31	44.61	44.73	1,525,547	+0.06(+0.13%)
Mar 26, 2007	44.05	44.75	44.05	44.67	793,992	+0.53(+1.20%)
Mar 23, 2007	43.98	44.25	43.85	44.14	521,975	+0.25(+0.57%)
Mar 22, 2007	43.57	43.95	43.46	43.89	731,939	-0.14(-0.32%)
Mar 21, 2007	43.86	44.18	43.44	44.03	1,018,920	+0.29(+0.66%)
Mar 20, 2007	42.91	43.94	42.72	43.74	1,540,998	+0.93(+2.17%)
Mar 19, 2007	42.20	42.82	42.04	42.81	671,121	+0.63(+1.49%)
Mar 16, 2007	42.69	42.83	42.16	42.18	377,439	-0.57(-1.33%)
Mar 15, 2007	42.36	42.80	42.36	42.75	446,914	+0.37(+0.87%)
Mar 14, 2007	41.95	42.47	41.53	42.38	1,061,869	+0.40(+0.95%)
Mar 13, 2007	43.00	42.90	41.89	41.98	1,046,535	-1.02(-2.37%)
Mar 12, 2007	43.07	43.19	42.73	43.00	450,991	-0.19(-0.44%)
Mar 09, 2007	43.37	43.56	42.98	43.19	402,790	-0.14(-0.32%)
Mar 08, 2007	43.07	43.37	42.91	43.33	750,111	+0.36(+0.84%)
Mar 07, 2007	43.36	43.52	42.89	42.97	909,375	-0.53(-1.22%)
Mar 06, 2007	43.21	43.54	43.06	43.50	379,591	+0.34(+0.79%)
Mar 05, 2007	43.67	43.67	43.16	43.16	495,682	-0.70(-1.60%)
Mar 02, 2007	44.25	44.28	43.86	43.86	227,193	-0.39(-0.88%)

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