Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.67	19.67	19.28	19.46	422,873	-0.03(-0.13%)
May 23, 2011	19.55	19.62	19.27	19.48	496,478	-0.46(-2.31%)
May 20, 2011	20.13	20.18	19.81	19.94	484,715	-0.29(-1.45%)
May 19, 2011	20.40	20.47	20.00	20.23	518,708	-0.07(-0.33%)
May 18, 2011	20.01	20.33	19.85	20.30	464,613	+0.37(+1.85%)
May 17, 2011	20.14	20.22	19.85	19.93	463,150	-0.42(-2.06%)
May 16, 2011	20.29	20.65	20.08	20.35	404,358	+0.00(+0.00%)
May 13, 2011	20.26	21.09	20.25	20.35	640,861	-0.64(-3.07%)
May 12, 2011	20.91	21.05	20.69	21.00	532,542	-0.01(-0.04%)
May 11, 2011	21.47	21.58	20.91	21.00	600,007	-0.59(-2.75%)
May 10, 2011	21.29	21.62	21.19	21.60	1,032,458	+0.35(+1.65%)
May 09, 2011	20.89	21.25	20.62	21.25	821,194	+0.34(+1.64%)
May 06, 2011	20.94	21.13	20.61	20.90	1,622,729	+0.01(+0.04%)
May 05, 2011	20.40	20.91	20.28	20.89	1,364,572	+0.42(+2.04%)
May 04, 2011	20.76	20.78	20.41	20.48	888,131	-0.28(-1.33%)
May 03, 2011	20.53	20.90	20.41	20.75	955,863	+0.23(+1.10%)
May 02, 2011	20.43	20.54	20.36	20.53	1,097,260	-0.17(-0.81%)
Apr 29, 2011	20.49	20.90	20.33	20.69	1,376,994	+0.85(+4.30%)
Apr 28, 2011	19.93	20.23	19.64	19.84	1,121,747	-0.08(-0.42%)
Apr 27, 2011	19.53	19.96	19.37	19.92	951,451	+0.28(+1.41%)
Apr 26, 2011	18.89	19.72	18.85	19.65	1,349,917	+0.77(+4.08%)
Apr 25, 2011	18.72	19.01	18.72	18.88	802,304	+0.14(+0.76%)
Apr 21, 2011	18.40	18.80	18.21	18.74	974,572	+0.33(+1.82%)
Apr 20, 2011	17.83	18.41	17.81	18.40	771,200	+0.80(+4.56%)
Apr 19, 2011	17.42	17.67	17.40	17.60	497,231	+0.23(+1.30%)
Apr 18, 2011	17.24	17.42	17.15	17.37	630,081	-0.18(-1.05%)
Apr 15, 2011	17.16	17.56	17.05	17.56	623,345	+0.33(+1.89%)
Apr 14, 2011	16.98	17.26	16.91	17.23	590,583	+0.05(+0.29%)
Apr 13, 2011	17.33	17.40	17.01	17.18	430,981	-0.12(-0.68%)
Apr 12, 2011	17.36	17.41	17.16	17.30	497,203	-0.23(-1.29%)
Apr 11, 2011	17.46	17.72	17.46	17.52	439,484	+0.03(+0.19%)
Apr 08, 2011	17.82	17.94	17.40	17.49	288,421	-0.18(-0.99%)
Apr 07, 2011	17.82	17.90	17.62	17.67	458,734	-0.10(-0.57%)
Apr 06, 2011	17.72	17.83	17.65	17.77	557,046	+0.20(+1.14%)
Apr 05, 2011	17.48	17.63	17.44	17.57	396,983	+0.03(+0.19%)
Apr 04, 2011	17.59	17.63	17.43	17.53	381,577	+0.01(+0.05%)
Apr 01, 2011	17.63	17.71	17.48	17.52	670,882	+0.06(+0.34%)
Mar 31, 2011	17.59	17.71	17.46	17.47	824,178	-0.18(-1.04%)
Mar 30, 2011	17.65	17.65	17.65	17.65	358,061	+0.03(+0.19%)
Mar 29, 2011	17.42	17.65	17.34	17.62	442,719	+0.17(+0.96%)
Mar 28, 2011	17.67	17.79	17.44	17.45	342,622	-0.21(-1.18%)
Mar 25, 2011	17.81	17.96	17.61	17.66	612,098	-0.11(-0.61%)
Mar 24, 2011	17.88	17.95	17.70	17.77	301,854	+0.00(+0.00%)
Mar 23, 2011	17.88	17.88	17.56	17.77	337,839	-0.08(-0.47%)
Mar 22, 2011	17.98	18.03	17.84	17.85	581,881	-0.07(-0.37%)
Mar 21, 2011	17.85	17.96	17.83	17.92	753,544	+0.32(+1.81%)
Mar 18, 2011	17.35	17.62	17.25	17.60	644,305	+0.43(+2.53%)
Mar 17, 2011	17.47	17.47	17.15	17.16	229,948	-0.03(-0.15%)
Mar 16, 2011	17.27	17.44	16.99	17.19	634,971	-0.12(-0.68%)
Mar 15, 2011	17.27	17.45	17.24	17.31	496,344	-0.04(-0.24%)
Mar 14, 2011	17.15	17.40	16.95	17.35	304,776	-0.02(-0.10%)
Mar 11, 2011	17.26	17.47	17.10	17.36	351,532	+0.01(+0.05%)
Mar 10, 2011	17.43	17.52	17.18	17.36	506,692	-0.23(-1.33%)
Mar 09, 2011	17.74	17.83	17.48	17.59	564,886	-0.15(-0.85%)
Mar 08, 2011	17.42	17.81	17.36	17.74	464,640	+0.30(+1.73%)
Mar 07, 2011	17.92	17.92	17.25	17.44	648,230	-0.39(-2.20%)
Mar 04, 2011	18.08	18.12	17.71	17.83	698,480	-0.27(-1.48%)
Mar 03, 2011	17.64	18.16	17.57	18.10	2,575,155	+0.56(+3.19%)
Mar 02, 2011	17.29	17.82	17.21	17.54	432,570	+0.18(+1.06%)

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