Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	18.49	18.56	18.21	18.49	421,423	+0.06(+0.35%)
May 30, 2012	18.61	18.65	18.39	18.42	269,028	-0.58(-3.04%)
May 29, 2012	19.05	19.16	18.82	19.00	247,196	+0.14(+0.76%)
May 25, 2012	18.78	18.97	18.78	18.86	334,492	+0.01(+0.08%)
May 24, 2012	19.03	19.09	18.74	18.84	238,955	-0.25(-1.31%)
May 23, 2012	19.10	19.11	18.72	19.09	339,698	-0.21(-1.07%)
May 22, 2012	19.49	19.64	19.22	19.30	524,800	-0.11(-0.55%)
May 21, 2012	19.09	19.42	19.05	19.41	233,763	+0.46(+2.45%)
May 18, 2012	19.09	19.14	18.89	18.94	188,732	+0.02(+0.11%)
May 17, 2012	19.12	19.16	18.91	18.92	415,575	-0.24(-1.26%)
May 16, 2012	19.41	19.57	19.16	19.16	1,686,165	-0.12(-0.63%)
May 15, 2012	19.46	19.58	19.26	19.29	1,071,091	-0.38(-1.96%)
May 14, 2012	19.68	19.81	19.61	19.67	572,716	-0.51(-2.51%)
May 11, 2012	20.00	20.39	19.99	20.18	388,049	-0.05(-0.25%)
May 10, 2012	20.38	20.40	20.21	20.23	447,655	+0.15(+0.75%)
May 09, 2012	19.88	20.18	19.62	20.08	738,317	-0.37(-1.81%)
May 08, 2012	20.47	20.47	20.13	20.45	240,301	-0.28(-1.34%)
May 07, 2012	20.53	20.77	20.53	20.73	1,404,075	+0.24(+1.15%)
May 04, 2012	20.72	20.80	20.46	20.49	842,819	-0.34(-1.64%)
May 03, 2012	20.99	21.10	20.80	20.83	430,795	-0.24(-1.15%)
May 02, 2012	20.94	21.08	20.85	21.07	212,897	-0.31(-1.47%)
May 01, 2012	21.29	21.52	21.27	21.39	232,470	+0.16(+0.77%)
Apr 30, 2012	21.29	21.33	21.15	21.22	346,946	-0.22(-1.03%)
Apr 27, 2012	21.46	21.52	21.36	21.45	156,204	+0.16(+0.74%)
Apr 26, 2012	20.97	21.35	20.97	21.29	147,367	+0.14(+0.67%)
Apr 25, 2012	21.15	21.27	21.01	21.15	409,938	+0.51(+2.49%)
Apr 24, 2012	20.48	20.78	20.47	20.63	341,829	+0.24(+1.15%)
Apr 23, 2012	20.35	20.43	20.19	20.40	684,659	-0.52(-2.49%)
Apr 20, 2012	20.88	21.04	20.85	20.92	183,814	+0.26(+1.28%)
Apr 19, 2012	20.85	20.98	20.51	20.65	390,480	-0.30(-1.43%)
Apr 18, 2012	20.95	21.18	20.90	20.95	314,046	-0.36(-1.71%)
Apr 17, 2012	21.13	21.39	21.05	21.32	939,465	+0.43(+2.08%)
Apr 16, 2012	20.91	20.95	20.58	20.88	584,479	+0.24(+1.17%)
Apr 13, 2012	20.94	21.02	20.61	20.64	196,780	-0.68(-3.18%)
Apr 12, 2012	21.03	21.37	21.00	21.32	315,792	+0.37(+1.77%)
Apr 11, 2012	21.17	21.20	20.93	20.95	331,400	+0.35(+1.70%)
Apr 10, 2012	21.06	21.13	20.57	20.60	416,602	-0.55(-2.60%)
Apr 09, 2012	21.02	21.24	20.95	21.15	195,927	-0.13(-0.60%)
Apr 05, 2012	21.18	21.40	21.14	21.27	597,789	-0.23(-1.06%)
Apr 04, 2012	21.66	21.67	21.41	21.50	443,996	-0.65(-2.93%)
Apr 03, 2012	22.56	22.59	22.02	22.15	777,073	-0.59(-2.60%)
Apr 02, 2012	22.31	22.82	22.25	22.74	596,089	+0.26(+1.14%)
Mar 30, 2012	22.50	22.55	22.28	22.49	210,349	+0.24(+1.06%)
Mar 29, 2012	22.14	22.28	22.01	22.25	338,574	-0.25(-1.11%)
Mar 28, 2012	22.75	22.76	22.38	22.50	164,632	-0.24(-1.03%)
Mar 27, 2012	22.95	22.95	22.74	22.74	154,371	-0.34(-1.45%)
Mar 26, 2012	22.87	23.08	22.84	23.07	395,550	+0.41(+1.79%)
Mar 23, 2012	22.47	22.69	22.31	22.66	291,802	+0.18(+0.79%)
Mar 22, 2012	22.41	22.57	22.36	22.49	495,614	-0.33(-1.44%)
Mar 21, 2012	22.89	22.93	22.66	22.81	143,372	-0.17(-0.74%)
Mar 20, 2012	22.89	23.03	22.79	22.98	542,761	-0.25(-1.07%)
Mar 19, 2012	23.00	23.32	22.97	23.23	161,659	+0.16(+0.68%)
Mar 16, 2012	23.01	23.16	22.98	23.08	569,639	+0.16(+0.72%)
Mar 15, 2012	22.66	22.93	22.60	22.91	255,565	+0.33(+1.45%)
Mar 14, 2012	22.71	22.76	22.54	22.59	224,393	-0.12(-0.53%)
Mar 13, 2012	22.39	22.71	22.36	22.71	211,864	+0.35(+1.56%)
Mar 12, 2012	22.28	22.39	22.14	22.36	242,236	+0.07(+0.32%)
Mar 09, 2012	22.26	22.39	22.19	22.29	274,866	-0.24(-1.08%)
Mar 08, 2012	22.22	22.61	22.12	22.53	384,932	+0.70(+3.20%)
Mar 07, 2012	21.65	21.83	21.56	21.83	1,030,179	+0.35(+1.63%)
Mar 06, 2012	21.78	21.81	21.42	21.48	2,916,098	-1.05(-4.65%)
Mar 05, 2012	22.51	22.55	22.34	22.53	1,247,544	-0.06(-0.25%)
Mar 02, 2012	22.64	22.66	22.49	22.59	217,644	-0.26(-1.12%)

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