Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	18.65	18.65	18.31	18.63	3,761	-0.02(-0.10%)
May 30, 2012	18.80	18.80	18.64	18.65	2,052	-0.26(-1.37%)
May 29, 2012	18.89	18.91	18.74	18.91	4,116	+0.24(+1.29%)
May 25, 2012	18.76	18.76	18.67	18.67	14,553	-0.10(-0.51%)
May 24, 2012	18.73	18.76	18.59	18.76	41,922	+0.09(+0.46%)
May 23, 2012	18.40	18.68	18.36	18.68	17,363	+0.24(+1.29%)
May 22, 2012	18.59	18.68	18.44	18.44	3,236	+0.00(+0.00%)
May 21, 2012	17.96	18.44	17.87	18.44	54,253	+0.47(+2.60%)
May 18, 2012	18.24	18.29	17.96	17.97	8,453	-0.24(-1.30%)
May 17, 2012	18.77	18.77	18.21	18.21	6,447	-0.62(-3.31%)
May 16, 2012	18.93	19.07	18.79	18.83	4,124	-0.06(-0.32%)
May 15, 2012	18.99	19.06	18.86	18.89	9,830	-0.17(-0.89%)
May 14, 2012	18.99	19.06	18.99	19.06	2,478	-0.24(-1.24%)
May 11, 2012	19.20	19.30	19.20	19.30	549	+0.10(+0.50%)
May 10, 2012	19.34	19.34	19.20	19.20	2,532	+0.03(+0.15%)
May 09, 2012	19.06	19.21	19.06	19.17	33,713	+0.05(+0.25%)
May 08, 2012	19.10	19.12	18.89	19.12	7,239	-0.31(-1.57%)
May 07, 2012	19.42	19.47	19.36	19.43	8,848	-0.04(-0.20%)
May 04, 2012	19.67	19.67	19.38	19.47	14,073	-0.29(-1.49%)
May 03, 2012	19.99	19.99	19.76	19.76	4,580	-0.23(-1.15%)
May 02, 2012	19.95	20.11	19.84	19.99	4,392	-0.02(-0.09%)
May 01, 2012	19.98	20.25	19.98	20.01	10,399	-0.01(-0.04%)
Apr 30, 2012	20.21	20.21	19.97	20.02	65,581	-0.19(-0.95%)
Apr 27, 2012	20.12	20.27	20.02	20.21	4,262	+0.19(+0.95%)
Apr 26, 2012	19.96	20.09	19.95	20.02	18,825	+0.17(+0.87%)
Apr 25, 2012	19.33	19.85	19.33	19.85	2,146	+0.39(+2.01%)
Apr 24, 2012	19.60	19.60	19.42	19.46	6,007	+0.09(+0.46%)
Apr 23, 2012	19.48	19.48	19.27	19.37	2,418	-0.44(-2.21%)
Apr 20, 2012	19.83	19.89	19.81	19.81	2,808	+0.18(+0.90%)
Apr 19, 2012	19.81	19.84	19.63	19.63	4,363	-0.22(-1.13%)
Apr 18, 2012	19.75	19.88	19.74	19.85	15,437	+0.07(+0.36%)
Apr 17, 2012	19.67	19.78	19.67	19.78	1,240	+0.35(+1.82%)
Apr 16, 2012	19.56	19.56	19.42	19.43	4,299	-0.01(-0.05%)
Apr 13, 2012	19.58	19.58	19.43	19.44	11,349	-0.15(-0.78%)
Apr 12, 2012	19.22	19.65	19.22	19.59	9,198	+0.33(+1.70%)
Apr 11, 2012	19.21	19.28	19.21	19.26	1,568	+0.25(+1.33%)
Apr 10, 2012	19.50	19.50	18.95	19.01	12,954	-0.52(-2.68%)
Apr 09, 2012	19.71	19.71	19.43	19.54	15,435	-0.24(-1.21%)
Apr 05, 2012	19.77	19.86	19.77	19.77	5,818	-0.05(-0.24%)
Apr 04, 2012	19.88	19.88	19.82	19.82	2,996	-0.20(-0.98%)
Apr 03, 2012	20.10	20.10	19.94	20.02	11,435	+0.02(+0.09%)
Apr 02, 2012	19.90	20.15	19.90	20.00	89,435	+0.06(+0.32%)
Mar 30, 2012	19.94	20.04	19.84	19.94	12,597	+0.06(+0.29%)
Mar 29, 2012	19.86	19.91	19.70	19.88	5,093	-0.04(-0.18%)
Mar 28, 2012	20.08	20.08	19.80	19.91	16,497	-0.16(-0.79%)
Mar 27, 2012	20.07	20.15	20.07	20.07	7,404	-0.02(-0.12%)
Mar 26, 2012	20.03	20.13	20.02	20.10	39,620	+0.29(+1.44%)
Mar 23, 2012	19.70	19.81	19.55	19.81	7,231	+0.12(+0.63%)
Mar 22, 2012	19.55	19.69	19.55	19.69	10,888	-0.20(-1.01%)
Mar 21, 2012	19.91	19.91	19.82	19.89	10,863	+0.00(+0.00%)
Mar 20, 2012	19.83	19.89	19.80	19.89	5,364	-0.13(-0.67%)
Mar 19, 2012	20.02	20.13	20.02	20.02	1,268	+0.01(+0.03%)
Mar 16, 2012	20.01	20.02	20.01	20.02	569	+0.00(+0.02%)
Mar 15, 2012	19.90	20.01	19.89	20.01	19,226	+0.14(+0.71%)
Mar 14, 2012	19.95	20.01	19.81	19.87	4,067	-0.05(-0.25%)
Mar 13, 2012	19.69	19.93	19.69	19.92	7,894	+0.25(+1.28%)
Mar 12, 2012	19.67	19.67	19.67	19.67	104	-0.09(-0.43%)
Mar 09, 2012	19.75	19.75	19.75	19.75	136	+0.15(+0.78%)
Mar 08, 2012	19.44	19.60	19.44	19.60	2,238	+0.40(+2.09%)
Mar 07, 2012	19.20	19.20	19.20	19.20	369	+0.07(+0.35%)
Mar 06, 2012	19.12	19.14	19.10	19.13	4,310	-0.28(-1.42%)
Mar 05, 2012	19.41	19.41	19.41	19.41	314	-0.10(-0.49%)
Mar 02, 2012	19.67	19.69	19.44	19.51	2,975	-0.12(-0.60%)

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