Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	20.10	20.17	20.09	20.11	17,361	-0.07(-0.35%)
Mar 30, 2011	20.17	20.18	20.11	20.18	17,704	+0.01(+0.05%)
Mar 29, 2011	20.20	20.21	20.13	20.17	3,410	-0.06(-0.30%)
Mar 28, 2011	20.09	20.28	20.09	20.23	14,497	-0.04(-0.20%)
Mar 25, 2011	20.33	20.33	20.24	20.27	5,356	-0.06(-0.30%)
Mar 24, 2011	20.24	20.39	20.24	20.33	30,286	-0.03(-0.15%)
Mar 23, 2011	20.34	20.39	20.31	20.36	14,366	+0.03(+0.15%)
Mar 22, 2011	20.20	20.33	20.20	20.33	24,732	+0.06(+0.30%)
Mar 21, 2011	20.24	20.27	20.16	20.27	13,537	+0.00(+0.00%)
Mar 18, 2011	20.21	20.28	20.19	20.27	57,061	+0.02(+0.10%)
Mar 17, 2011	20.24	20.29	20.15	20.25	35,079	+0.04(+0.20%)
Mar 16, 2011	20.18	20.28	20.18	20.21	42,621	+0.09(+0.45%)
Mar 15, 2011	20.22	20.22	20.10	20.12	14,964	+0.03(+0.15%)
Mar 14, 2011	20.09	20.09	20.07	20.09	9,976	-0.02(-0.10%)
Mar 11, 2011	20.07	20.11	20.05	20.11	13,739	+0.08(+0.40%)
Mar 10, 2011	19.97	20.07	19.97	20.03	28,094	+0.02(+0.10%)
Mar 09, 2011	19.95	20.01	19.94	20.01	7,358	+0.11(+0.55%)
Mar 08, 2011	19.95	19.99	19.87	19.90	28,496	-0.16(-0.80%)
Mar 07, 2011	20.05	20.09	19.99	20.06	23,588	-0.05(-0.25%)
Mar 04, 2011	19.99	20.13	19.98	20.11	15,543	+0.16(+0.80%)
Mar 03, 2011	20.01	20.03	19.95	19.95	28,842	-0.21(-1.04%)
Mar 02, 2011	20.22	20.23	20.15	20.16	41,976	-0.10(-0.49%)
Mar 01, 2011	20.22	20.26	20.16	20.26	34,240	-0.03(-0.15%)
Feb 28, 2011	20.21	20.29	20.21	20.29	19,997	+0.08(+0.40%)
Feb 25, 2011	20.13	20.23	20.13	20.21	12,498	+0.07(+0.35%)
Feb 24, 2011	20.17	20.21	20.12	20.14	11,768	+0.04(+0.20%)
Feb 23, 2011	20.02	20.15	20.02	20.10	37,063	-0.01(-0.05%)
Feb 22, 2011	20.00	20.12	20.00	20.11	34,921	+0.13(+0.65%)
Feb 18, 2011	19.90	19.98	19.87	19.98	46,588	-0.02(-0.10%)
Feb 17, 2011	19.91	20.02	19.91	20.00	19,079	+0.03(+0.15%)
Feb 16, 2011	19.89	19.97	19.89	19.97	63,700	+0.08(+0.40%)
Feb 15, 2011	19.99	19.99	19.89	19.89	16,826	-0.12(-0.60%)
Feb 14, 2011	19.91	20.02	19.91	20.01	39,142	-0.02(-0.10%)
Feb 11, 2011	19.98	20.05	19.97	20.03	58,283	+0.03(+0.15%)
Feb 10, 2011	20.05	20.05	19.97	20.00	382,107	-0.01(-0.05%)
Feb 09, 2011	20.01	20.05	19.91	20.01	27,717	+0.06(+0.30%)
Feb 08, 2011	19.97	20.00	19.94	19.95	35,010	+0.00(+0.00%)
Feb 07, 2011	19.88	19.96	19.87	19.95	104,297	-0.03(-0.15%)
Feb 04, 2011	19.95	19.99	19.94	19.98	14,308	+0.01(+0.05%)
Feb 03, 2011	20.02	20.03	19.94	19.97	23,899	-0.08(-0.40%)
Feb 02, 2011	20.08	20.08	20.00	20.05	33,896	-0.04(-0.20%)
Feb 01, 2011	20.10	20.10	20.02	20.09	20,011	-0.09(-0.45%)
Jan 31, 2011	20.15	20.20	20.07	20.18	68,045	-0.02(-0.10%)
Jan 28, 2011	20.11	20.21	20.09	20.20	45,070	+0.03(+0.15%)
Jan 27, 2011	20.05	20.18	20.00	20.17	31,199	+0.12(+0.60%)
Jan 26, 2011	20.12	20.12	20.05	20.05	25,830	-0.07(-0.35%)
Jan 25, 2011	20.16	20.18	20.08	20.12	38,947	+0.02(+0.10%)
Jan 24, 2011	20.03	20.10	20.03	20.10	13,175	+0.12(+0.60%)
Jan 21, 2011	20.06	20.06	19.98	19.98	15,372	-0.16(-0.79%)
Jan 20, 2011	20.12	20.14	20.03	20.14	29,029	-0.03(-0.15%)
Jan 19, 2011	20.17	20.22	20.13	20.17	24,545	+0.09(+0.45%)
Jan 18, 2011	20.20	20.20	20.06	20.08	41,157	-0.18(-0.89%)
Jan 17, 2011	20.17	20.29	20.17	20.26	14,135	+0.09(+0.45%)
Jan 14, 2011	20.25	20.30	20.17	20.17	17,428	-0.03(-0.15%)
Jan 13, 2011	20.15	20.20	20.11	20.20	19,818	+0.04(+0.20%)
Jan 12, 2011	20.28	20.28	20.16	20.16	18,505	-0.12(-0.59%)
Jan 11, 2011	20.32	20.35	20.26	20.28	19,269	-0.09(-0.44%)
Jan 10, 2011	20.41	20.42	20.34	20.37	31,313	+0.02(+0.10%)
Jan 07, 2011	20.26	20.37	20.25	20.35	54,177	+0.04(+0.20%)
Jan 06, 2011	20.37	20.38	20.25	20.31	59,402	-0.05(-0.25%)
Jan 05, 2011	20.43	20.43	20.24	20.36	26,859	-0.13(-0.63%)

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