Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	50.96	51.22	50.96	51.07	22,979	+0.11(+0.21%)
May 30, 2007	50.90	50.97	50.64	50.97	16,745	-0.12(-0.24%)
May 29, 2007	51.07	51.09	50.88	51.09	24,079	+0.08(+0.16%)
May 25, 2007	50.94	51.05	50.87	51.01	18,701	+0.07(+0.14%)
May 24, 2007	51.17	51.30	50.88	50.94	17,357	-0.20(-0.38%)
May 23, 2007	51.34	51.43	51.12	51.13	47,304	+0.06(+0.11%)
May 22, 2007	50.98	51.25	50.88	51.07	30,069	+0.09(+0.18%)
May 21, 2007	50.89	51.07	50.87	50.98	51,949	+0.14(+0.27%)
May 18, 2007	50.71	50.90	50.61	50.85	22,735	+0.22(+0.44%)
May 17, 2007	50.71	50.71	50.53	50.62	19,435	-0.18(-0.35%)
May 16, 2007	50.49	50.83	50.49	50.80	35,569	+0.47(+0.94%)
May 15, 2007	50.48	50.68	50.31	50.33	35,936	-0.18(-0.36%)
May 14, 2007	50.64	50.77	50.39	50.51	35,936	+0.07(+0.15%)
May 11, 2007	50.17	50.45	50.08	50.44	32,758	+0.24(+0.47%)
May 10, 2007	50.92	50.92	50.20	50.20	63,194	-0.92(-1.81%)
May 09, 2007	51.03	51.16	50.90	51.12	27,135	+0.07(+0.14%)
May 08, 2007	51.03	51.05	50.80	51.05	27,258	-0.15(-0.29%)
May 07, 2007	51.15	51.20	51.10	51.20	78,840	+0.20(+0.40%)
May 04, 2007	50.89	51.03	50.87	50.99	22,246	+0.20(+0.40%)
May 03, 2007	50.80	50.84	50.67	50.79	21,268	+0.05(+0.10%)
May 02, 2007	50.53	50.79	50.44	50.74	28,113	+0.40(+0.80%)

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