Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	38.55	38.66	38.49	38.50	15,703	+0.06(+0.16%)
May 23, 2011	38.66	38.66	38.43	38.43	415,185	-0.22(-0.58%)
May 20, 2011	38.64	38.68	38.62	38.66	6,714	+0.05(+0.13%)
May 19, 2011	38.62	38.65	38.58	38.61	20,078	-0.05(-0.13%)
May 18, 2011	38.63	38.68	38.63	38.66	12,944	+0.07(+0.18%)
May 17, 2011	38.61	38.67	38.59	38.59	34,738	-0.01(-0.03%)
May 16, 2011	38.31	38.75	38.31	38.60	48,932	+0.12(+0.31%)
May 13, 2011	38.47	38.48	38.34	38.48	10,331	+0.02(+0.04%)
May 12, 2011	38.37	38.46	38.34	38.46	10,329	+0.12(+0.31%)
May 11, 2011	38.30	38.52	38.28	38.34	18,312	-0.03(-0.08%)
May 10, 2011	38.21	38.46	38.21	38.37	24,417	+0.11(+0.30%)
May 09, 2011	38.46	38.46	38.25	38.26	18,443	-0.03(-0.09%)
May 06, 2011	38.42	38.42	38.20	38.29	18,528	+0.00(+0.00%)
May 05, 2011	38.22	38.48	38.09	38.29	23,469	+0.17(+0.46%)
May 04, 2011	38.03	38.17	37.96	38.12	90,477	+0.03(+0.08%)
May 03, 2011	38.14	38.14	37.86	38.08	22,845	+0.04(+0.11%)
May 02, 2011	38.09	38.09	38.04	38.04	10,290	-0.03(-0.09%)
Apr 29, 2011	37.79	38.11	37.68	38.08	18,726	+0.32(+0.84%)
Apr 28, 2011	37.69	37.78	37.60	37.76	22,346	+0.04(+0.10%)
Apr 27, 2011	37.79	37.79	37.72	37.72	17,283	+0.03(+0.08%)
Apr 26, 2011	37.49	37.69	37.49	37.69	9,238	+0.08(+0.22%)
Apr 25, 2011	37.51	37.61	37.37	37.61	11,572	+0.18(+0.48%)
Apr 21, 2011	37.38	37.44	37.38	37.43	22,469	+0.04(+0.12%)
Apr 20, 2011	37.33	37.68	37.25	37.39	14,277	+0.11(+0.30%)
Apr 19, 2011	37.34	37.49	37.27	37.27	13,386	+0.00(+0.00%)
Apr 18, 2011	37.34	37.40	37.24	37.27	26,052	-0.05(-0.14%)
Apr 15, 2011	37.11	37.32	37.11	37.32	10,252	+0.23(+0.63%)
Apr 14, 2011	36.97	37.11	36.97	37.09	4,213	-0.02(-0.05%)
Apr 13, 2011	36.82	37.12	36.82	37.11	1,732	-0.04(-0.10%)
Apr 12, 2011	37.13	37.16	36.80	37.14	20,469	+0.40(+1.10%)
Apr 11, 2011	36.96	36.96	36.60	36.74	35,700	-0.40(-1.08%)
Apr 08, 2011	37.29	37.29	36.89	37.14	9,145	-0.07(-0.20%)
Apr 07, 2011	37.24	37.24	36.85	37.22	9,774	+0.09(+0.24%)
Apr 06, 2011	37.04	37.14	37.04	37.13	24,021	-0.03(-0.08%)
Apr 05, 2011	37.02	37.16	36.81	37.16	16,567	+0.36(+0.98%)
Apr 04, 2011	36.60	37.05	36.60	36.80	10,192	-0.02(-0.05%)
Apr 01, 2011	37.07	37.21	36.66	36.82	25,256	-0.05(-0.14%)
Mar 31, 2011	37.21	37.21	36.86	36.87	9,463	-0.07(-0.18%)
Mar 30, 2011	36.78	37.15	36.78	36.93	18,233	-0.19(-0.51%)
Mar 29, 2011	37.32	37.36	37.02	37.12	11,015	-0.06(-0.17%)
Mar 28, 2011	36.90	37.52	36.90	37.18	12,388	+0.05(+0.14%)
Mar 25, 2011	37.37	37.37	37.08	37.13	23,080	-0.13(-0.34%)
Mar 24, 2011	37.06	37.29	37.06	37.26	12,873	+0.28(+0.75%)
Mar 23, 2011	37.02	37.30	36.98	36.98	4,142	+0.03(+0.08%)
Mar 22, 2011	36.90	37.18	36.84	36.95	180,107	+0.00(+0.01%)
Mar 21, 2011	36.95	37.27	36.86	36.95	16,062	+0.04(+0.12%)
Mar 18, 2011	36.77	37.21	36.77	36.91	6,974	-0.01(-0.04%)
Mar 17, 2011	37.36	37.36	36.85	36.92	18,962	-0.33(-0.88%)
Mar 16, 2011	37.01	37.39	37.00	37.25	31,373	+0.41(+1.11%)
Mar 15, 2011	36.82	37.18	36.75	36.84	69,484	+0.09(+0.25%)
Mar 14, 2011	36.74	36.84	36.74	36.75	43,290	+0.03(+0.08%)
Mar 11, 2011	36.72	37.12	36.70	36.72	5,170	-0.12(-0.33%)
Mar 10, 2011	36.82	37.20	36.81	36.84	36,318	-0.24(-0.64%)
Mar 09, 2011	37.10	37.12	36.79	37.08	23,557	-0.04(-0.10%)
Mar 08, 2011	36.77	37.12	36.77	37.12	104,032	+0.20(+0.54%)
Mar 07, 2011	36.90	37.20	36.88	36.91	37,568	-0.09(-0.25%)
Mar 04, 2011	37.06	37.06	36.88	37.01	10,606	+0.13(+0.35%)
Mar 03, 2011	36.84	37.20	36.84	36.88	38,210	-0.04(-0.10%)
Mar 02, 2011	37.35	37.35	36.84	36.91	35,545	+0.29(+0.80%)

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