Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	17.64	17.72	17.51	17.61	7,813,510	-0.14(-0.80%)
Apr 27, 2012	17.76	17.81	17.60	17.75	8,286,448	+0.10(+0.59%)
Apr 26, 2012	17.52	17.66	17.38	17.65	7,435,144	+0.13(+0.77%)
Apr 25, 2012	17.36	17.54	17.24	17.51	11,236,816	+0.30(+1.76%)
Apr 24, 2012	16.84	17.25	16.84	17.21	14,526,400	+0.41(+2.42%)
Apr 23, 2012	16.66	16.85	16.56	16.80	10,292,279	-0.12(-0.70%)
Apr 20, 2012	16.97	17.08	16.87	16.92	12,168,095	+0.07(+0.40%)
Apr 19, 2012	17.14	17.31	16.77	16.85	14,653,050	-0.24(-1.39%)
Apr 18, 2012	17.19	17.46	17.02	17.09	13,176,098	-0.53(-3.03%)
Apr 17, 2012	17.40	17.71	17.31	17.62	9,819,016	+0.38(+2.19%)
Apr 16, 2012	17.28	17.42	17.08	17.25	6,733,847	+0.13(+0.78%)
Apr 13, 2012	17.59	17.59	17.11	17.11	11,483,038	-0.61(-3.47%)
Apr 12, 2012	17.40	17.73	17.35	17.73	8,412,196	+0.35(+2.00%)
Apr 11, 2012	17.40	17.61	17.28	17.38	11,145,515	+0.27(+1.56%)
Apr 10, 2012	17.28	17.41	17.10	17.11	16,171,751	-0.17(-0.99%)
Apr 09, 2012	17.34	17.40	17.15	17.28	9,498,118	-0.36(-2.01%)
Apr 05, 2012	17.80	17.87	17.54	17.64	9,052,828	-0.24(-1.33%)
Apr 04, 2012	18.02	18.04	17.62	17.88	13,207,509	-0.39(-2.15%)
Apr 03, 2012	18.06	18.31	17.95	18.27	16,945,946	+0.13(+0.74%)
Apr 02, 2012	17.84	18.19	17.68	18.14	12,690,151	+0.27(+1.49%)
Mar 30, 2012	17.73	17.88	17.53	17.87	8,884,375	+0.27(+1.51%)
Mar 29, 2012	17.62	17.65	17.32	17.60	12,101,905	-0.17(-0.96%)
Mar 28, 2012	17.68	17.80	17.50	17.77	13,359,211	+0.08(+0.46%)
Mar 27, 2012	18.19	18.28	17.66	17.69	16,234,713	-0.52(-2.85%)
Mar 26, 2012	17.97	18.21	17.88	18.21	9,310,470	+0.47(+2.67%)
Mar 23, 2012	17.59	17.79	17.45	17.74	5,646,880	+0.19(+1.05%)
Mar 22, 2012	17.66	17.68	17.46	17.55	9,774,742	-0.25(-1.41%)
Mar 21, 2012	18.04	18.09	17.78	17.80	9,082,809	-0.24(-1.31%)
Mar 20, 2012	17.99	18.17	17.85	18.04	7,417,285	-0.11(-0.61%)
Mar 19, 2012	17.82	18.29	17.66	18.15	10,164,232	+0.27(+1.53%)
Mar 16, 2012	18.08	18.15	17.62	17.88	18,217,288	-0.10(-0.58%)
Mar 15, 2012	17.22	18.02	17.17	17.98	16,032,744	+0.80(+4.66%)
Mar 14, 2012	17.35	17.45	17.03	17.18	12,495,882	-0.06(-0.34%)
Mar 13, 2012	16.84	17.27	16.69	17.24	14,832,084	+0.49(+2.92%)
Mar 12, 2012	16.65	16.78	16.54	16.75	10,331,461	+0.15(+0.89%)
Mar 09, 2012	16.59	16.77	16.44	16.60	8,388,730	+0.06(+0.36%)
Mar 08, 2012	16.36	16.55	16.28	16.54	7,570,465	+0.37(+2.29%)
Mar 07, 2012	16.08	16.21	16.00	16.17	9,193,790	+0.15(+0.95%)
Mar 06, 2012	16.17	16.23	15.95	16.02	11,085,717	-0.39(-2.37%)
Mar 05, 2012	16.48	16.51	16.29	16.41	6,811,556	-0.10(-0.63%)
Mar 02, 2012	16.63	16.73	16.47	16.51	7,448,761	-0.13(-0.80%)
Mar 01, 2012	16.45	16.91	16.40	16.65	10,744,228	+0.27(+1.67%)
Feb 29, 2012	16.60	16.67	16.32	16.37	12,165,078	-0.17(-1.03%)
Feb 28, 2012	16.35	16.57	16.23	16.54	7,327,051	+0.24(+1.45%)
Feb 27, 2012	15.92	16.38	15.83	16.31	6,421,380	+0.26(+1.62%)
Feb 24, 2012	16.34	16.38	16.03	16.05	8,036,297	-0.27(-1.63%)
Feb 23, 2012	16.17	16.35	15.97	16.31	9,313,978	+0.14(+0.87%)
Feb 22, 2012	16.40	16.40	16.12	16.17	8,120,412	-0.24(-1.44%)
Feb 21, 2012	16.33	16.55	16.26	16.41	10,191,161	+0.11(+0.68%)
Feb 17, 2012	16.34	16.41	16.18	16.30	10,861,205	+0.02(+0.14%)
Feb 16, 2012	15.70	16.28	15.64	16.28	11,245,528	+0.56(+3.53%)
Feb 15, 2012	15.61	15.83	15.56	15.72	9,168,804	+0.16(+1.05%)
Feb 14, 2012	15.78	15.80	15.37	15.56	14,348,844	-0.26(-1.64%)
Feb 13, 2012	16.04	16.09	15.80	15.82	6,745,401	-0.04(-0.28%)
Feb 10, 2012	15.90	16.03	15.81	15.86	8,544,866	-0.27(-1.65%)
Feb 09, 2012	16.29	16.35	16.03	16.13	9,932,616	-0.10(-0.64%)
Feb 08, 2012	16.10	16.26	16.01	16.23	9,162,604	+0.17(+1.06%)
Feb 07, 2012	16.16	16.16	15.97	16.06	12,878,497	-0.19(-1.18%)
Feb 06, 2012	16.11	16.29	16.03	16.25	10,024,755	+0.01(+0.05%)
Feb 03, 2012	15.98	16.40	15.98	16.25	15,137,188	+0.48(+3.05%)
Feb 02, 2012	15.29	15.78	15.25	15.77	15,303,104	+0.56(+3.65%)

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