Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	19.30	19.34	19.22	19.31	3,299,623	-0.06(-0.31%)
Mar 30, 2011	19.37	19.44	19.25	19.37	5,652,376	+0.16(+0.82%)
Mar 29, 2011	19.16	19.22	19.07	19.22	3,439,354	+0.04(+0.23%)
Mar 28, 2011	19.25	19.35	19.16	19.17	1,898,756	-0.06(-0.31%)
Mar 25, 2011	19.22	19.36	19.14	19.23	6,305,578	+0.08(+0.43%)
Mar 24, 2011	19.15	19.16	18.89	19.15	4,612,961	+0.06(+0.31%)
Mar 23, 2011	19.13	19.14	18.89	19.09	5,311,140	-0.12(-0.62%)
Mar 22, 2011	19.34	19.35	19.19	19.21	3,172,242	-0.10(-0.52%)
Mar 21, 2011	19.28	19.33	19.22	19.31	7,418,449	+0.00(+0.02%)
Mar 18, 2011	19.40	19.58	19.28	19.31	14,234,724	+0.15(+0.80%)
Mar 17, 2011	19.13	19.19	18.86	19.15	6,399,107	+0.26(+1.38%)
Mar 16, 2011	19.19	19.27	18.82	18.89	7,503,331	-0.29(-1.52%)
Mar 15, 2011	19.08	19.29	19.03	19.18	9,266,114	-0.16(-0.81%)
Mar 14, 2011	19.35	19.43	19.13	19.34	7,418,154	-0.16(-0.84%)
Mar 11, 2011	19.20	19.58	19.20	19.50	4,803,161	+0.18(+0.93%)
Mar 10, 2011	19.50	19.57	19.30	19.32	11,784,312	-0.46(-2.30%)
Mar 09, 2011	19.76	19.91	19.61	19.78	5,166,945	+0.01(+0.04%)
Mar 08, 2011	19.33	19.80	19.33	19.77	5,525,801	+0.52(+2.72%)
Mar 07, 2011	19.41	19.52	19.16	19.25	5,026,237	-0.15(-0.77%)
Mar 04, 2011	19.63	19.68	19.23	19.40	8,149,926	-0.29(-1.50%)
Mar 03, 2011	19.52	19.73	19.52	19.69	4,628,814	+0.38(+1.95%)
Mar 02, 2011	19.41	19.51	19.23	19.32	6,022,457	-0.04(-0.19%)
Mar 01, 2011	19.83	19.84	19.35	19.35	11,860,607	-0.43(-2.19%)
Feb 28, 2011	20.03	20.03	19.73	19.79	5,267,228	-0.10(-0.49%)
Feb 25, 2011	19.78	19.96	19.76	19.88	4,841,747	+0.29(+1.47%)
Feb 24, 2011	19.63	19.74	19.38	19.60	8,777,968	-0.13(-0.66%)
Feb 23, 2011	19.82	19.97	19.42	19.73	7,876,088	-0.04(-0.19%)
Feb 22, 2011	20.20	20.23	19.70	19.76	13,472,842	-0.71(-3.45%)
Feb 18, 2011	20.52	20.52	20.39	20.47	4,518,009	+0.03(+0.13%)
Feb 17, 2011	20.56	20.56	20.41	20.44	7,341,491	-0.18(-0.87%)
Feb 16, 2011	20.70	20.70	20.50	20.62	2,714,015	+0.07(+0.36%)
Feb 15, 2011	20.61	20.73	20.53	20.55	3,896,924	-0.07(-0.36%)
Feb 14, 2011	20.62	20.67	20.52	20.62	3,873,484	+0.00(+0.01%)
Feb 11, 2011	20.17	20.71	20.07	20.62	13,083,898	+0.40(+1.98%)
Feb 10, 2011	20.19	20.32	20.14	20.22	3,704,261	-0.08(-0.40%)
Feb 09, 2011	20.43	20.54	20.14	20.30	11,361,897	-0.23(-1.12%)
Feb 08, 2011	20.37	20.56	20.29	20.53	6,101,199	+0.16(+0.78%)
Feb 07, 2011	20.21	20.42	20.17	20.37	3,445,987	+0.28(+1.41%)
Feb 04, 2011	20.10	20.11	19.92	20.09	3,484,231	+0.01(+0.03%)
Feb 03, 2011	20.00	20.11	19.89	20.08	4,041,521	+0.07(+0.34%)
Feb 02, 2011	20.08	20.16	19.97	20.02	2,604,785	-0.11(-0.57%)
Feb 01, 2011	19.79	20.18	19.79	20.13	4,690,445	+0.48(+2.43%)
Jan 31, 2011	19.49	19.70	19.48	19.65	3,755,096	+0.21(+1.08%)
Jan 28, 2011	19.79	19.96	19.43	19.44	14,112,902	-0.31(-1.59%)
Jan 27, 2011	19.59	19.77	19.51	19.76	4,830,577	+0.22(+1.15%)
Jan 26, 2011	19.75	19.75	19.53	19.53	5,072,022	-0.11(-0.56%)
Jan 25, 2011	19.60	19.72	19.38	19.64	6,095,610	-0.02(-0.12%)
Jan 24, 2011	19.88	19.89	19.59	19.67	7,372,478	-0.20(-1.01%)
Jan 21, 2011	19.82	19.94	19.77	19.87	11,067,719	+0.32(+1.64%)
Jan 20, 2011	19.50	19.63	19.32	19.55	16,154,855	-0.03(-0.15%)
Jan 19, 2011	19.91	19.97	19.52	19.58	22,370,850	-0.50(-2.49%)
Jan 18, 2011	20.17	20.20	19.94	20.08	6,372,124	-0.19(-0.92%)
Jan 14, 2011	19.82	20.34	19.79	20.26	11,993,282	+0.50(+2.53%)
Jan 13, 2011	20.01	20.03	19.75	19.76	27,688,774	-0.19(-0.94%)
Jan 12, 2011	19.88	20.01	19.87	19.95	6,031,133	+0.30(+1.53%)
Jan 11, 2011	19.71	19.82	19.55	19.65	5,328,445	+0.10(+0.50%)
Jan 10, 2011	19.48	19.60	19.35	19.55	13,399,084	-0.03(-0.15%)
Jan 07, 2011	19.87	19.91	19.31	19.58	18,423,940	-0.19(-0.94%)
Jan 06, 2011	20.02	20.11	19.76	19.77	17,334,974	-0.25(-1.23%)
Jan 05, 2011	19.67	20.05	19.64	20.02	11,479,253	+0.29(+1.47%)
Jan 04, 2011	19.91	19.91	19.53	19.73	4,941,242	-0.06(-0.29%)

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