Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.74	19.74	19.36	19.53	421,170	-0.03(-0.13%)
May 23, 2011	19.63	19.70	19.35	19.56	494,479	-0.46(-2.31%)
May 20, 2011	20.21	20.27	19.89	20.02	482,763	-0.29(-1.45%)
May 19, 2011	20.48	20.55	20.08	20.32	516,620	-0.07(-0.33%)
May 18, 2011	20.09	20.42	19.93	20.38	462,743	+0.37(+1.85%)
May 17, 2011	20.22	20.30	19.93	20.01	461,285	-0.42(-2.05%)
May 16, 2011	20.37	20.74	20.16	20.43	402,730	+0.00(+0.00%)
May 13, 2011	20.34	21.17	20.33	20.43	638,280	-0.65(-3.07%)
May 12, 2011	21.00	21.13	20.78	21.08	530,398	-0.01(-0.04%)
May 11, 2011	21.56	21.67	21.00	21.09	597,592	-0.60(-2.75%)
May 10, 2011	21.37	21.71	21.27	21.68	1,028,301	+0.35(+1.65%)
May 09, 2011	20.97	21.33	20.70	21.33	817,888	+0.34(+1.64%)
May 06, 2011	21.03	21.21	20.69	20.99	1,616,196	+0.01(+0.04%)
May 05, 2011	20.48	21.00	20.37	20.98	1,359,078	+0.42(+2.04%)
May 04, 2011	20.84	20.86	20.49	20.56	884,555	-0.28(-1.33%)
May 03, 2011	20.61	20.99	20.49	20.84	952,015	+0.23(+1.10%)
May 02, 2011	20.51	20.63	20.44	20.61	1,092,842	-0.17(-0.81%)
Apr 29, 2011	20.58	20.99	20.42	20.78	1,371,450	+0.86(+4.30%)
Apr 28, 2011	20.01	20.31	19.72	19.92	1,117,230	-0.08(-0.42%)
Apr 27, 2011	19.61	20.04	19.45	20.00	947,620	+0.28(+1.40%)
Apr 26, 2011	18.96	19.80	18.92	19.73	1,344,482	+0.77(+4.08%)
Apr 25, 2011	18.80	19.09	18.80	18.96	799,073	+0.14(+0.76%)
Apr 21, 2011	18.48	18.87	18.28	18.81	970,648	+0.34(+1.82%)
Apr 20, 2011	17.91	18.48	17.88	18.48	768,095	+0.81(+4.56%)
Apr 19, 2011	17.49	17.74	17.47	17.67	495,229	+0.23(+1.30%)
Apr 18, 2011	17.31	17.49	17.22	17.44	627,544	-0.18(-1.05%)
Apr 15, 2011	17.23	17.63	17.12	17.63	620,835	+0.33(+1.89%)
Apr 14, 2011	17.05	17.33	16.98	17.30	588,205	+0.05(+0.29%)
Apr 13, 2011	17.40	17.47	17.07	17.25	429,246	-0.12(-0.68%)
Apr 12, 2011	17.43	17.49	17.23	17.37	495,201	-0.23(-1.29%)
Apr 11, 2011	17.53	17.79	17.53	17.59	437,714	+0.03(+0.19%)
Apr 08, 2011	17.90	18.01	17.47	17.56	287,260	-0.18(-0.99%)
Apr 07, 2011	17.90	17.97	17.70	17.74	456,887	-0.10(-0.56%)
Apr 06, 2011	17.79	17.91	17.72	17.84	554,803	+0.20(+1.14%)
Apr 05, 2011	17.55	17.70	17.51	17.64	395,384	+0.03(+0.19%)
Apr 04, 2011	17.66	17.70	17.50	17.60	380,041	+0.01(+0.05%)
Apr 01, 2011	17.70	17.78	17.55	17.59	668,181	+0.06(+0.34%)
Mar 31, 2011	17.66	17.78	17.53	17.54	820,860	-0.18(-1.04%)
Mar 30, 2011	17.72	17.72	17.72	17.72	356,620	+0.03(+0.19%)
Mar 29, 2011	17.49	17.72	17.41	17.69	440,936	+0.17(+0.96%)
Mar 28, 2011	17.75	17.86	17.51	17.52	341,243	-0.21(-1.18%)
Mar 25, 2011	17.88	18.03	17.68	17.73	609,633	-0.11(-0.61%)
Mar 24, 2011	17.96	18.02	17.77	17.84	300,639	+0.00(+0.00%)
Mar 23, 2011	17.96	17.96	17.63	17.84	336,479	-0.08(-0.47%)
Mar 22, 2011	18.06	18.10	17.91	17.92	579,538	-0.07(-0.37%)
Mar 21, 2011	17.92	18.03	17.91	17.99	750,510	+0.32(+1.81%)
Mar 18, 2011	17.42	17.69	17.32	17.67	641,711	+0.44(+2.53%)
Mar 17, 2011	17.54	17.54	17.22	17.23	229,022	-0.03(-0.15%)
Mar 16, 2011	17.34	17.51	17.06	17.26	632,415	-0.12(-0.68%)
Mar 15, 2011	17.34	17.52	17.31	17.38	494,345	-0.04(-0.24%)
Mar 14, 2011	17.22	17.47	17.02	17.42	303,549	-0.02(-0.10%)
Mar 11, 2011	17.33	17.54	17.17	17.43	350,116	+0.01(+0.05%)
Mar 10, 2011	17.50	17.59	17.25	17.43	504,652	-0.24(-1.33%)
Mar 09, 2011	17.81	17.91	17.55	17.66	562,612	-0.15(-0.85%)
Mar 08, 2011	17.49	17.88	17.43	17.81	462,769	+0.30(+1.73%)
Mar 07, 2011	17.99	17.99	17.32	17.51	645,620	-0.39(-2.20%)
Mar 04, 2011	18.15	18.19	17.78	17.91	695,668	-0.27(-1.48%)
Mar 03, 2011	17.71	18.23	17.64	18.17	2,564,787	+0.56(+3.20%)
Mar 02, 2011	17.36	17.89	17.28	17.61	430,828	+0.18(+1.06%)

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