Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	20.88	21.03	20.83	20.96	3,855,970	+0.06(+0.27%)
Feb 28, 2012	20.80	20.92	20.72	20.90	3,311,172	+0.12(+0.58%)
Feb 27, 2012	20.73	20.85	20.63	20.78	3,588,391	-0.07(-0.34%)
Feb 24, 2012	20.94	21.05	20.78	20.85	4,394,647	-0.03(-0.14%)
Feb 23, 2012	20.91	21.01	20.86	20.88	4,512,147	-0.06(-0.31%)
Feb 22, 2012	20.91	21.00	20.80	20.95	3,822,671	+0.02(+0.10%)
Feb 21, 2012	21.02	21.09	20.88	20.92	3,635,231	-0.07(-0.34%)
Feb 17, 2012	20.81	21.14	20.78	21.00	5,885,036	+0.24(+1.17%)
Feb 16, 2012	20.77	20.85	20.72	20.75	4,356,817	+0.00(+0.00%)
Feb 15, 2012	20.87	20.90	20.72	20.75	4,814,355	-0.12(-0.58%)
Feb 14, 2012	20.87	20.90	20.71	20.87	5,127,333	+0.01(+0.07%)
Feb 13, 2012	20.95	20.96	20.78	20.86	3,644,184	-0.02(-0.10%)
Feb 10, 2012	20.98	20.99	20.79	20.88	4,449,610	-0.16(-0.78%)
Feb 09, 2012	21.01	21.10	20.87	21.05	4,166,813	+0.06(+0.31%)
Feb 08, 2012	20.87	21.02	20.74	20.98	6,203,362	+0.06(+0.31%)
Feb 07, 2012	21.11	21.11	20.69	20.92	6,140,381	-0.31(-1.44%)
Feb 06, 2012	21.73	21.81	20.75	21.22	13,838,780	-0.79(-3.59%)
Feb 03, 2012	21.93	22.21	21.89	22.01	6,645,733	+0.19(+0.88%)
Feb 02, 2012	21.67	21.88	21.67	21.82	3,073,725	+0.16(+0.72%)
Feb 01, 2012	21.66	21.76	21.54	21.67	3,858,399	+0.21(+1.00%)
Jan 31, 2012	21.52	21.58	21.35	21.45	3,460,621	-0.02(-0.10%)
Jan 30, 2012	21.52	21.52	21.22	21.47	3,546,910	-0.11(-0.53%)
Jan 27, 2012	21.57	21.73	21.51	21.59	2,969,890	-0.04(-0.16%)
Jan 26, 2012	21.71	21.83	21.54	21.62	3,356,615	-0.06(-0.26%)
Jan 25, 2012	21.52	21.71	21.38	21.68	4,465,663	+0.10(+0.46%)
Jan 24, 2012	21.53	21.66	21.49	21.58	3,157,917	+0.01(+0.03%)
Jan 23, 2012	21.52	21.60	21.39	21.57	3,043,208	+0.04(+0.20%)
Jan 20, 2012	21.41	21.58	21.33	21.53	6,047,697	+0.16(+0.73%)
Jan 19, 2012	21.30	21.44	21.14	21.37	5,321,004	+0.12(+0.57%)
Jan 18, 2012	21.23	21.31	21.11	21.25	4,681,423	+0.00(+0.00%)
Jan 17, 2012	21.07	21.44	21.07	21.25	7,086,126	+0.26(+1.22%)
Jan 13, 2012	20.85	21.00	20.80	21.00	3,831,285	+0.10(+0.48%)
Jan 12, 2012	20.88	20.95	20.73	20.90	3,379,549	+0.07(+0.34%)
Jan 11, 2012	20.79	20.85	20.68	20.83	3,085,337	+0.02(+0.10%)
Jan 10, 2012	20.66	20.95	20.66	20.80	5,105,524	+0.21(+1.00%)
Jan 09, 2012	20.60	20.66	20.46	20.60	4,570,089	-0.01(-0.03%)
Jan 06, 2012	20.68	20.69	20.50	20.60	3,307,493	+0.01(+0.03%)
Jan 05, 2012	20.64	20.70	20.45	20.60	3,806,630	-0.06(-0.31%)
Jan 04, 2012	20.77	20.78	20.53	20.66	4,177,259	-0.04(-0.21%)
Dec 30, 2011	20.83	20.81	20.70	20.70	2,582,682	-0.13(-0.61%)
Dec 29, 2011	20.66	20.83	20.66	20.83	2,902,160	+0.15(+0.72%)
Dec 28, 2011	20.86	20.89	20.61	20.68	2,739,736	-0.13(-0.64%)
Dec 27, 2011	20.78	20.91	20.73	20.82	2,179,147	+0.04(+0.20%)
Dec 23, 2011	20.69	20.80	20.61	20.77	2,537,015	+0.25(+1.24%)
Dec 21, 2011	20.58	20.65	20.36	20.52	4,949,807	+0.01(+0.03%)
Dec 20, 2011	20.37	20.59	20.27	20.51	5,897,221	+0.33(+1.64%)
Dec 19, 2011	20.48	20.63	20.12	20.18	3,683,293	-0.22(-1.07%)
Dec 16, 2011	20.58	20.63	20.30	20.40	6,169,950	-0.06(-0.31%)
Dec 15, 2011	20.50	20.67	20.43	20.46	4,053,620	+0.06(+0.31%)
Dec 14, 2011	20.52	20.61	20.38	20.40	3,928,462	-0.13(-0.65%)
Dec 13, 2011	20.63	20.82	20.44	20.53	4,309,012	-0.09(-0.45%)
Dec 12, 2011	20.72	20.77	20.42	20.63	4,077,251	-0.18(-0.85%)
Dec 09, 2011	20.46	20.88	20.44	20.80	6,539,310	+0.27(+1.31%)
Dec 08, 2011	20.68	20.73	20.51	20.53	4,687,666	-0.19(-0.92%)
Dec 07, 2011	20.57	20.77	20.46	20.73	16,708,797	+0.18(+0.86%)
Dec 06, 2011	20.63	20.75	20.54	20.55	5,028,282	-0.08(-0.38%)
Dec 05, 2011	20.63	20.84	20.56	20.63	6,533,002	+0.06(+0.31%)
Dec 02, 2011	20.49	20.74	20.40	20.56	7,885,791	+0.28(+1.39%)

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