Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	18.94	19.02	18.68	18.76	3,241,385	-0.23(-1.21%)
Apr 27, 2012	18.84	19.02	18.74	18.99	117,459	+0.21(+1.12%)
Apr 26, 2012	18.71	18.83	18.59	18.78	94,509	+0.01(+0.05%)
Apr 25, 2012	18.59	18.82	18.59	18.77	83,642	+0.25(+1.34%)
Apr 24, 2012	18.40	18.56	18.31	18.52	73,021	+0.07(+0.39%)
Apr 23, 2012	18.48	18.48	18.30	18.45	72,614	-0.29(-1.55%)
Apr 20, 2012	18.60	18.88	18.60	18.74	259,731	+0.22(+1.19%)
Apr 19, 2012	18.71	18.78	18.45	18.52	140,026	-0.18(-0.96%)
Apr 18, 2012	18.74	18.80	18.64	18.70	520,260	-0.12(-0.64%)
Apr 17, 2012	18.63	18.94	18.63	18.82	751,022	+0.32(+1.73%)
Apr 16, 2012	18.55	18.65	18.41	18.50	91,333	+0.02(+0.11%)
Apr 13, 2012	18.64	18.72	18.47	18.48	66,544	-0.24(-1.28%)
Apr 12, 2012	18.40	18.78	18.29	18.72	130,023	+0.33(+1.79%)
Apr 11, 2012	18.39	18.49	18.32	18.39	154,556	+0.17(+0.93%)
Apr 10, 2012	18.57	18.59	18.16	18.22	172,361	-0.36(-1.94%)
Apr 09, 2012	18.63	18.66	18.51	18.58	129,141	-0.32(-1.69%)
Apr 05, 2012	18.89	18.99	18.84	18.90	187,785	-0.11(-0.58%)
Apr 04, 2012	19.16	19.16	18.93	19.01	223,943	-0.33(-1.71%)
Apr 03, 2012	19.46	19.46	19.20	19.34	69,648	-0.10(-0.51%)
Apr 02, 2012	19.08	19.50	19.08	19.44	117,430	+0.24(+1.25%)
Mar 30, 2012	19.32	19.32	19.17	19.20	161,889	+0.04(+0.21%)
Mar 29, 2012	19.12	19.21	18.99	19.16	115,969	-0.04(-0.21%)
Mar 28, 2012	19.25	19.36	19.05	19.20	136,338	+0.00(+0.00%)
Mar 27, 2012	19.15	19.27	19.13	19.20	122,373	+0.04(+0.21%)
Mar 26, 2012	19.00	19.18	18.87	19.16	129,950	+0.34(+1.81%)
Mar 23, 2012	18.66	18.84	18.51	18.82	113,145	+0.17(+0.91%)
Mar 22, 2012	18.72	18.72	18.49	18.65	125,867	-0.21(-1.11%)
Mar 21, 2012	18.91	18.97	18.79	18.86	137,628	-0.04(-0.21%)
Mar 20, 2012	18.99	18.99	18.82	18.90	188,818	-0.17(-0.89%)
Mar 19, 2012	19.06	19.19	18.96	19.07	151,694	+0.00(+0.00%)
Mar 16, 2012	19.12	19.16	19.03	19.07	178,515	-0.05(-0.26%)
Mar 15, 2012	19.00	19.16	18.91	19.12	122,399	+0.14(+0.74%)
Mar 14, 2012	19.10	19.15	18.90	18.98	187,543	-0.10(-0.52%)
Mar 13, 2012	18.86	19.10	18.86	19.08	137,197	+0.32(+1.71%)
Mar 12, 2012	18.82	18.87	18.70	18.76	155,828	-0.07(-0.37%)
Mar 09, 2012	18.68	18.96	18.62	18.83	111,458	+0.12(+0.64%)
Mar 08, 2012	18.51	18.74	18.43	18.71	191,925	+0.33(+1.80%)
Mar 07, 2012	18.28	18.39	18.19	18.38	146,917	+0.20(+1.10%)
Mar 06, 2012	18.39	18.44	18.15	18.18	260,053	-0.48(-2.57%)
Mar 05, 2012	18.68	18.74	18.55	18.66	279,543	-0.09(-0.48%)
Mar 02, 2012	18.92	18.97	18.69	18.75	196,103	-0.23(-1.21%)
Mar 01, 2012	18.99	19.14	18.91	18.98	446,263	+0.07(+0.37%)
Feb 29, 2012	19.06	19.32	18.88	18.91	501,475	-0.30(-1.56%)
Feb 28, 2012	19.37	19.41	19.13	19.21	225,401	-0.25(-1.27%)
Feb 27, 2012	19.14	19.51	18.95	19.46	2,413,726	+0.17(+0.87%)
Feb 24, 2012	19.59	19.59	19.25	19.29	101,987	-0.24(-1.23%)
Feb 23, 2012	19.30	19.56	19.17	19.53	145,063	+0.20(+1.03%)
Feb 22, 2012	19.39	19.50	19.30	19.33	69,251	-0.07(-0.36%)
Feb 21, 2012	19.46	19.55	19.33	19.40	122,127	-0.03(-0.15%)
Feb 17, 2012	19.40	19.45	19.33	19.43	117,701	+0.08(+0.41%)
Feb 16, 2012	18.88	19.37	18.88	19.35	129,832	+0.49(+2.60%)
Feb 15, 2012	19.15	19.16	18.82	18.86	188,077	-0.23(-1.20%)
Feb 14, 2012	19.12	19.12	18.92	19.09	95,795	-0.14(-0.73%)
Feb 13, 2012	19.08	19.23	18.99	19.23	147,408	+0.31(+1.64%)
Feb 10, 2012	18.97	19.00	18.77	18.92	101,002	-0.22(-1.15%)
Feb 09, 2012	19.17	19.18	18.98	19.14	99,421	+0.06(+0.31%)
Feb 08, 2012	19.12	19.19	18.97	19.08	131,547	+0.01(+0.05%)
Feb 07, 2012	19.01	19.13	18.85	19.07	209,448	+0.01(+0.05%)
Feb 06, 2012	19.01	19.12	18.68	19.06	126,133	-0.11(-0.57%)
Feb 03, 2012	18.84	19.18	18.84	19.17	263,793	+0.52(+2.79%)
Feb 02, 2012	18.80	18.80	18.63	18.65	112,170	-0.10(-0.53%)

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