Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	20.75	20.78	20.70	20.78	69,239	+0.05(+0.24%)
Apr 27, 2012	20.76	20.76	20.71	20.73	51,091	-0.01(-0.05%)
Apr 26, 2012	20.71	20.76	20.71	20.74	66,548	+0.01(+0.05%)
Apr 25, 2012	20.65	20.73	20.64	20.73	36,962	+0.17(+0.83%)
Apr 24, 2012	20.54	20.56	20.52	20.56	35,052	+0.03(+0.15%)
Apr 23, 2012	20.51	20.53	20.47	20.53	31,499	-0.12(-0.58%)
Apr 20, 2012	20.72	20.72	20.65	20.65	34,301	-0.01(-0.05%)
Apr 19, 2012	20.67	20.71	20.64	20.66	33,081	-0.03(-0.14%)
Apr 18, 2012	20.67	20.72	20.66	20.69	51,137	+0.00(+0.00%)
Apr 17, 2012	20.65	20.72	20.65	20.69	45,318	+0.10(+0.49%)
Apr 16, 2012	20.64	20.64	20.55	20.59	39,497	-0.01(-0.05%)
Apr 13, 2012	20.63	20.64	20.56	20.60	51,954	-0.05(-0.24%)
Apr 12, 2012	20.50	20.65	20.49	20.65	86,105	+0.20(+0.98%)
Apr 11, 2012	20.44	20.46	20.40	20.45	70,964	+0.11(+0.54%)
Apr 10, 2012	20.42	20.47	20.32	20.34	55,489	-0.10(-0.49%)
Apr 09, 2012	20.50	20.50	20.42	20.44	45,212	-0.09(-0.44%)
Apr 05, 2012	20.56	20.57	20.52	20.53	31,602	-0.06(-0.29%)
Apr 04, 2012	20.64	20.64	20.57	20.59	93,378	-0.09(-0.44%)
Apr 03, 2012	20.69	20.72	20.67	20.68	31,588	+0.01(+0.05%)
Apr 02, 2012	20.70	20.71	20.66	20.67	74,818	-0.01(-0.05%)
Mar 30, 2012	20.72	20.72	20.64	20.68	58,932	-0.03(-0.14%)
Mar 29, 2012	20.69	20.71	20.64	20.71	36,155	+0.01(+0.05%)
Mar 28, 2012	20.78	20.78	20.68	20.70	41,890	-0.07(-0.34%)
Mar 27, 2012	20.73	20.79	20.73	20.77	38,144	+0.03(+0.14%)
Mar 26, 2012	20.67	20.74	20.64	20.74	40,741	+0.14(+0.68%)
Mar 23, 2012	20.65	20.66	20.59	20.60	47,078	-0.18(-0.87%)
Mar 22, 2012	20.73	20.79	20.73	20.78	87,037	+0.05(+0.24%)
Mar 21, 2012	20.83	20.83	20.73	20.73	70,361	-0.07(-0.34%)
Mar 20, 2012	20.79	20.82	20.77	20.80	112,745	-0.02(-0.10%)
Mar 19, 2012	20.77	20.82	20.70	20.82	126,680	+0.08(+0.39%)
Mar 16, 2012	20.85	20.85	20.71	20.74	175,948	-0.08(-0.38%)
Mar 15, 2012	20.89	20.89	20.79	20.82	55,072	-0.05(-0.24%)
Mar 14, 2012	20.92	20.92	20.79	20.87	118,735	-0.03(-0.14%)
Mar 13, 2012	20.83	20.91	20.80	20.90	55,948	+0.13(+0.63%)
Mar 12, 2012	20.79	20.79	20.73	20.77	98,815	-0.02(-0.10%)
Mar 09, 2012	20.79	20.82	20.76	20.79	56,090	+0.04(+0.19%)
Mar 08, 2012	20.64	20.75	20.63	20.75	59,788	+0.15(+0.73%)
Mar 07, 2012	20.60	20.62	20.55	20.60	47,814	+0.06(+0.29%)
Mar 06, 2012	20.78	20.78	20.54	20.54	171,010	-0.28(-1.34%)
Mar 05, 2012	20.96	20.96	20.81	20.82	79,546	-0.10(-0.48%)
Mar 02, 2012	21.02	21.02	20.92	20.92	68,555	-0.09(-0.43%)
Mar 01, 2012	21.00	21.03	20.98	21.01	96,600	+0.03(+0.14%)
Feb 29, 2012	20.98	21.00	20.91	20.98	152,220	+0.02(+0.10%)
Feb 28, 2012	20.97	20.98	20.92	20.96	75,082	+0.04(+0.19%)
Feb 27, 2012	20.90	20.94	20.87	20.92	68,536	+0.01(+0.05%)
Feb 24, 2012	20.85	20.92	20.85	20.91	83,021	+0.06(+0.29%)
Feb 23, 2012	20.82	20.90	20.78	20.85	39,607	+0.07(+0.34%)
Feb 22, 2012	20.76	20.78	20.72	20.78	69,288	-0.05(-0.24%)
Feb 21, 2012	20.81	20.87	20.78	20.83	71,001	+0.09(+0.43%)
Feb 17, 2012		20.74	20.74	20.74	0	-0.01(-0.05%)
Feb 16, 2012	20.72	20.75	20.62	20.75	93,995	+0.07(+0.34%)
Feb 15, 2012	20.77	20.79	20.68	20.68	107,581	-0.05(-0.24%)
Feb 14, 2012	20.74	20.76	20.71	20.73	52,384	+0.00(+0.00%)
Feb 13, 2012	20.76	20.78	20.69	20.73	41,711	+0.05(+0.24%)
Feb 10, 2012	20.77	20.77	20.68	20.68	185,424	-0.15(-0.72%)
Feb 09, 2012	20.87	20.87	20.77	20.83	100,545	-0.01(-0.05%)
Feb 08, 2012	20.86	20.86	20.80	20.84	47,869	+0.02(+0.10%)
Feb 07, 2012	20.79	20.84	20.77	20.82	62,237	+0.06(+0.29%)
Feb 06, 2012	20.78	20.80	20.73	20.76	114,595	+0.00(+0.00%)
Feb 03, 2012	20.85	20.88	20.75	20.76	66,653	+0.03(+0.14%)
Feb 02, 2012	20.75	20.75	20.71	20.73	251,949	+0.02(+0.10%)

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