Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	21.96	22.10	21.83	22.02	2,392,080	+0.02(+0.09%)
Apr 28, 2011	21.88	22.18	21.73	22.00	2,516,077	+0.16(+0.73%)
Apr 27, 2011	21.91	21.97	21.66	21.84	2,366,458	-0.02(-0.09%)
Apr 26, 2011	21.84	22.00	21.64	21.86	2,764,960	+0.04(+0.18%)
Apr 25, 2011	21.65	21.85	21.41	21.82	2,081,396	-0.02(-0.09%)
Apr 21, 2011	22.00	22.10	21.79	21.84	2,047,914	-0.11(-0.50%)
Apr 20, 2011	21.82	22.00	21.70	21.95	1,957,635	+0.37(+1.71%)
Apr 19, 2011	21.45	21.63	21.31	21.58	1,893,306	+0.13(+0.61%)
Apr 18, 2011	21.78	21.78	21.30	21.45	2,126,289	-0.50(-2.28%)
Apr 15, 2011	21.91	22.05	21.86	21.95	2,717,858	+0.07(+0.31%)
Apr 14, 2011	21.64	21.97	21.56	21.88	1,601,082	+0.09(+0.42%)
Apr 13, 2011	21.78	21.92	21.72	21.79	2,049,314	+0.10(+0.46%)
Apr 12, 2011	21.63	21.75	21.58	21.69	1,688,815	+0.04(+0.18%)
Apr 11, 2011	21.70	21.99	21.60	21.65	991,791	-0.08(-0.35%)
Apr 08, 2011	21.96	21.99	21.57	21.73	1,140,546	-0.06(-0.30%)
Apr 07, 2011	21.82	21.92	21.63	21.79	1,189,303	-0.02(-0.09%)
Apr 06, 2011	21.98	22.08	21.75	21.81	2,287,979	-0.07(-0.32%)
Apr 05, 2011	21.88	21.95	21.71	21.88	1,764,317	-0.06(-0.27%)
Apr 04, 2011	22.08	22.26	21.85	21.94	2,395,200	-0.15(-0.68%)
Apr 01, 2011	22.44	22.44	22.00	22.09	2,519,370	-0.11(-0.50%)
Mar 31, 2011	22.31	22.40	22.11	22.20	1,505,579	-0.05(-0.22%)
Mar 30, 2011	22.46	22.49	22.18	22.25	1,919,001	-0.03(-0.13%)
Mar 29, 2011	21.89	22.31	21.80	22.28	2,017,796	+0.41(+1.87%)
Mar 28, 2011	21.83	21.96	21.70	21.87	1,731,014	+0.04(+0.18%)
Mar 25, 2011	21.93	22.10	21.83	21.83	3,109,616	-0.06(-0.27%)
Mar 24, 2011	21.20	21.90	20.80	21.89	5,856,462	+0.11(+0.51%)
Mar 23, 2011	21.78	21.87	21.47	21.78	1,345,409	-0.06(-0.27%)
Mar 22, 2011	22.00	22.07	21.80	21.84	2,872,941	-0.11(-0.50%)
Mar 21, 2011	22.00	22.17	21.80	21.95	2,316,905	+0.29(+1.34%)
Mar 18, 2011	21.89	21.95	21.55	21.66	2,605,298	-0.09(-0.41%)
Mar 17, 2011	21.46	21.88	21.41	21.75	3,391,794	+0.63(+2.98%)
Mar 16, 2011	21.20	21.42	20.99	21.12	2,859,816	-0.15(-0.71%)
Mar 15, 2011	20.73	21.41	20.51	21.27	2,564,794	-0.04(-0.19%)
Mar 14, 2011	21.33	21.45	20.92	21.31	2,979,213	-0.23(-1.07%)
Mar 11, 2011	21.31	21.57	21.23	21.54	3,339,334	+0.08(+0.37%)
Mar 10, 2011	21.38	21.55	21.16	21.46	5,571,280	-0.19(-0.88%)
Mar 09, 2011	21.45	21.68	21.24	21.65	3,905,672	+0.18(+0.84%)
Mar 08, 2011	21.01	21.50	20.76	21.47	1,977,257	+0.54(+2.58%)
Mar 07, 2011	21.12	21.29	20.75	20.93	2,385,625	-0.15(-0.71%)
Mar 04, 2011	21.39	21.39	20.88	21.08	2,191,521	-0.06(-0.28%)
Mar 03, 2011	20.87	21.46	20.65	21.14	6,224,974	+1.16(+5.81%)
Mar 02, 2011	20.00	20.20	19.86	19.98	1,336,616	-0.02(-0.10%)
Mar 01, 2011	20.07	20.35	19.86	20.00	2,047,980	-0.18(-0.89%)
Feb 28, 2011	20.68	20.76	20.09	20.18	2,374,258	-0.38(-1.85%)
Feb 25, 2011	19.95	20.59	19.88	20.56	2,098,457	+0.73(+3.68%)
Feb 24, 2011	19.79	20.00	19.58	19.83	2,254,199	+0.05(+0.25%)
Feb 23, 2011	20.24	20.35	19.73	19.78	2,520,970	-0.37(-1.84%)
Feb 22, 2011	20.35	20.55	20.13	20.15	2,019,929	-0.46(-2.24%)
Feb 18, 2011	20.51	20.80	20.42	20.61	1,364,973	+0.16(+0.79%)
Feb 17, 2011	20.18	20.63	20.08	20.45	1,714,968	+0.24(+1.19%)
Feb 16, 2011	20.08	20.28	20.03	20.21	1,999,274	+0.16(+0.80%)
Feb 15, 2011	20.08	20.23	19.77	20.05	1,948,393	-0.03(-0.15%)
Feb 14, 2011	20.89	20.89	20.07	20.08	2,708,271	-0.10(-0.50%)
Feb 11, 2011	19.66	20.39	19.40	20.18	6,007,695	+0.45(+2.28%)
Feb 10, 2011	19.54	20.01	19.50	19.73	2,127,312	+0.17(+0.87%)
Feb 09, 2011	19.51	19.75	19.44	19.56	2,019,372	+0.06(+0.31%)
Feb 08, 2011	19.66	19.76	19.44	19.50	1,917,088	-0.11(-0.54%)
Feb 07, 2011	19.55	19.77	19.48	19.61	1,816,744	+0.11(+0.54%)
Feb 04, 2011	19.53	19.80	19.41	19.50	2,386,245	+0.03(+0.15%)
Feb 03, 2011	19.53	19.78	19.44	19.47	2,157,679	-0.11(-0.56%)
Feb 02, 2011	19.46	19.81	19.46	19.58	2,022,401	+0.10(+0.51%)

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