Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	20.53	20.53	20.28	20.35	113,503	-0.23(-1.09%)
Apr 27, 2012	20.52	20.62	20.39	20.57	106,135	+0.15(+0.75%)
Apr 26, 2012	20.14	20.47	20.14	20.42	372,134	+0.28(+1.39%)
Apr 25, 2012	19.90	20.14	19.90	20.14	102,587	+0.39(+1.96%)
Apr 24, 2012	19.92	19.93	19.67	19.75	155,609	-0.18(-0.90%)
Apr 23, 2012	20.06	20.06	19.82	19.93	288,914	-0.28(-1.38%)
Apr 20, 2012	20.26	20.33	20.19	20.21	126,852	-0.01(-0.04%)
Apr 19, 2012	20.36	20.48	20.12	20.22	69,316	-0.12(-0.58%)
Apr 18, 2012	20.25	20.39	20.21	20.34	100,225	+0.04(+0.18%)
Apr 17, 2012	20.20	20.36	20.15	20.30	190,482	+0.25(+1.26%)
Apr 16, 2012	20.23	20.23	19.91	20.05	1,038,704	-0.08(-0.40%)
Apr 13, 2012	20.21	20.23	20.06	20.13	60,237	-0.10(-0.49%)
Apr 12, 2012	19.98	20.27	19.97	20.23	91,753	+0.29(+1.44%)
Apr 11, 2012	19.81	20.00	19.81	19.94	142,955	+0.29(+1.49%)
Apr 10, 2012	20.17	20.17	19.61	19.65	520,224	-0.55(-2.74%)
Apr 09, 2012	20.19	20.24	20.08	20.20	386,551	-0.24(-1.19%)
Apr 05, 2012	20.37	20.54	20.34	20.45	136,789	+0.04(+0.22%)
Apr 04, 2012	20.50	20.51	20.31	20.40	117,322	-0.27(-1.31%)
Apr 03, 2012	20.65	20.81	20.59	20.67	407,010	-0.03(-0.13%)
Apr 02, 2012	20.52	20.79	20.52	20.70	835,696	+0.13(+0.61%)
Mar 30, 2012	20.62	20.68	20.45	20.57	123,605	+0.02(+0.09%)
Mar 29, 2012	20.42	20.57	20.32	20.55	96,124	-0.07(-0.35%)
Mar 28, 2012	20.84	20.84	20.51	20.63	142,380	-0.21(-0.99%)
Mar 27, 2012	20.97	20.99	20.83	20.83	135,875	-0.16(-0.77%)
Mar 26, 2012	20.75	20.99	20.75	20.99	183,013	+0.36(+1.75%)
Mar 23, 2012	20.62	20.64	20.36	20.63	100,248	+0.02(+0.09%)
Mar 22, 2012	20.65	20.69	20.53	20.62	171,383	-0.09(-0.44%)
Mar 21, 2012	20.71	20.79	20.66	20.71	75,762	+0.05(+0.22%)
Mar 20, 2012	20.54	20.71	20.48	20.66	119,339	-0.01(-0.04%)
Mar 19, 2012	20.58	20.75	20.53	20.67	134,622	+0.04(+0.17%)
Mar 16, 2012	20.72	20.74	20.61	20.63	114,293	-0.09(-0.43%)
Mar 15, 2012	20.62	20.73	20.51	20.72	158,893	+0.14(+0.70%)
Mar 14, 2012	20.59	20.69	20.51	20.58	183,714	-0.04(-0.17%)
Mar 13, 2012	20.38	20.62	20.30	20.62	139,902	+0.34(+1.69%)
Mar 12, 2012	20.35	20.38	20.21	20.27	101,733	-0.05(-0.22%)
Mar 09, 2012	20.19	20.38	20.17	20.32	129,613	+0.17(+0.85%)
Mar 08, 2012	20.03	20.18	20.00	20.15	132,611	+0.25(+1.27%)
Mar 07, 2012	19.72	19.91	19.72	19.90	123,274	+0.23(+1.14%)
Mar 06, 2012	19.81	19.81	19.62	19.67	205,078	-0.35(-1.75%)
Mar 05, 2012	20.01	20.08	19.94	20.02	109,188	-0.04(-0.18%)
Mar 02, 2012	20.16	20.18	20.00	20.06	512,200	-0.08(-0.40%)
Mar 01, 2012	20.03	20.20	20.03	20.14	847,561	+0.16(+0.81%)
Feb 29, 2012	20.10	20.11	19.94	19.98	230,251	-0.11(-0.54%)
Feb 28, 2012	20.09	20.13	19.98	20.09	168,533	+0.02(+0.09%)
Feb 27, 2012	19.92	20.14	19.86	20.07	257,403	+0.05(+0.27%)
Feb 24, 2012	20.09	20.13	19.99	20.01	129,228	-0.02(-0.09%)
Feb 23, 2012	19.91	20.07	19.81	20.03	136,609	+0.19(+0.95%)
Feb 22, 2012	19.83	19.97	19.78	19.84	123,524	-0.05(-0.27%)
Feb 21, 2012	20.05	20.13	19.82	19.90	130,130	-0.14(-0.67%)
Feb 17, 2012	19.94	20.06	19.94	20.03	137,756	+0.15(+0.77%)
Feb 16, 2012	19.72	19.89	19.64	19.88	134,500	+0.28(+1.42%)
Feb 15, 2012	19.73	19.81	19.57	19.60	214,038	-0.04(-0.22%)
Feb 14, 2012	19.60	19.66	19.51	19.64	238,603	-0.03(-0.14%)
Feb 13, 2012	19.67	19.76	19.60	19.67	564,614	+0.08(+0.41%)
Feb 10, 2012	19.56	19.61	19.47	19.59	138,477	-0.14(-0.68%)
Feb 09, 2012	19.62	19.73	19.49	19.73	281,513	+0.11(+0.55%)
Feb 08, 2012	19.69	19.74	19.52	19.62	210,355	+0.03(+0.14%)
Feb 07, 2012	19.47	19.63	19.41	19.59	239,728	+0.04(+0.23%)
Feb 06, 2012	19.42	19.55	19.42	19.55	205,861	+0.00(+0.00%)
Feb 03, 2012	19.25	19.56	19.25	19.55	277,313	+0.43(+2.26%)
Feb 02, 2012	19.02	19.13	19.01	19.11	187,830	+0.07(+0.38%)

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