Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	46.38	46.45	45.80	46.28	81,915	+0.19(+0.41%)
May 30, 2012	46.49	46.50	46.07	46.09	90,031	-1.08(-2.28%)
May 29, 2012	47.20	47.36	46.85	47.17	59,388	+0.72(+1.54%)
May 25, 2012	46.43	46.60	46.34	46.45	29,696	-0.12(-0.25%)
May 24, 2012	46.71	46.85	46.27	46.57	53,032	-0.23(-0.50%)
May 23, 2012	46.78	46.81	46.11	46.80	115,281	-0.45(-0.95%)
May 22, 2012	47.58	47.83	47.03	47.25	89,810	-0.24(-0.51%)
May 21, 2012	46.81	47.50	46.80	47.49	93,492	+0.98(+2.10%)
May 18, 2012	46.92	46.98	46.41	46.51	176,101	-0.50(-1.07%)
May 17, 2012	47.50	47.50	46.93	47.01	63,919	-0.49(-1.04%)
May 16, 2012	47.92	48.20	47.51	47.51	179,029	-0.38(-0.79%)
May 15, 2012	48.27	48.44	47.82	47.88	48,656	-0.61(-1.26%)
May 14, 2012	48.66	48.80	48.44	48.49	41,932	-0.82(-1.65%)
May 11, 2012	49.09	49.72	49.09	49.31	41,290	-0.18(-0.36%)
May 10, 2012	49.82	49.87	49.45	49.49	92,800	+0.05(+0.11%)
May 09, 2012	49.15	49.68	48.85	49.44	48,276	-0.56(-1.11%)
May 08, 2012	50.13	50.22	49.49	49.99	80,932	-0.93(-1.83%)
May 07, 2012	50.58	50.97	50.53	50.92	115,145	+0.22(+0.44%)
May 04, 2012	51.16	51.24	50.60	50.70	48,296	-0.89(-1.72%)
May 03, 2012	51.83	51.89	51.37	51.59	96,402	-0.30(-0.59%)
May 02, 2012	51.66	51.93	51.46	51.89	74,439	-0.26(-0.50%)
May 01, 2012	51.99	52.30	51.88	52.15	150,677	+0.21(+0.40%)
Apr 30, 2012	52.13	52.13	51.75	51.94	73,786	-0.26(-0.50%)
Apr 27, 2012	52.21	52.30	52.02	52.20	56,663	+0.08(+0.15%)
Apr 26, 2012	51.64	52.18	51.52	52.12	38,792	+0.39(+0.74%)
Apr 25, 2012	51.72	51.78	51.43	51.74	43,138	+0.64(+1.25%)
Apr 24, 2012	50.98	51.32	50.91	51.10	70,356	+0.22(+0.44%)
Apr 23, 2012	50.77	50.91	50.46	50.88	81,853	-0.87(-1.68%)
Apr 20, 2012	51.74	51.93	51.67	51.75	108,449	+0.39(+0.75%)
Apr 19, 2012	51.59	51.83	51.08	51.36	112,276	-0.14(-0.28%)
Apr 18, 2012	51.45	51.74	51.34	51.51	61,815	-0.25(-0.48%)
Apr 17, 2012	51.43	51.85	51.24	51.76	83,213	+0.80(+1.57%)
Apr 16, 2012	50.95	51.14	50.59	50.96	81,770	+0.49(+0.98%)
Apr 13, 2012	51.06	51.10	50.46	50.47	292,206	-1.08(-2.10%)
Apr 12, 2012	50.89	51.60	50.85	51.55	122,967	+1.11(+2.21%)
Apr 11, 2012	50.67	50.73	50.36	50.44	55,270	+0.75(+1.51%)
Apr 10, 2012	50.63	50.70	49.69	49.69	183,839	-1.05(-2.07%)
Apr 09, 2012	50.49	50.92	50.41	50.73	36,447	-0.34(-0.67%)
Apr 05, 2012	50.94	51.24	50.87	51.08	29,649	-0.21(-0.40%)
Apr 04, 2012	51.38	51.45	50.99	51.28	146,975	-1.10(-2.10%)
Apr 03, 2012	53.03	53.06	52.19	52.38	54,642	-0.90(-1.68%)
Apr 02, 2012	52.53	53.44	52.44	53.28	36,929	+0.72(+1.36%)
Mar 30, 2012	52.60	52.64	52.27	52.56	49,361	+0.46(+0.88%)
Mar 29, 2012	51.98	52.13	51.71	52.11	125,278	-0.26(-0.50%)
Mar 28, 2012	52.70	52.70	52.09	52.37	79,887	-0.30(-0.56%)
Mar 27, 2012	52.87	52.92	52.60	52.66	99,349	-0.20(-0.37%)
Mar 26, 2012	52.58	52.89	52.58	52.86	67,467	+0.73(+1.41%)
Mar 23, 2012	51.74	52.13	51.57	52.12	69,811	+0.38(+0.73%)
Mar 22, 2012	51.66	51.87	51.59	51.75	65,249	-0.51(-0.98%)
Mar 21, 2012	52.29	52.34	52.03	52.26	113,298	-0.14(-0.27%)
Mar 20, 2012	52.25	52.48	52.16	52.40	71,743	-0.70(-1.32%)
Mar 19, 2012	52.78	53.21	52.73	53.10	43,536	+0.19(+0.36%)
Mar 16, 2012	52.90	53.10	52.89	52.91	62,400	+0.38(+0.72%)
Mar 15, 2012	52.14	52.58	52.08	52.54	59,815	+0.58(+1.12%)
Mar 14, 2012	52.20	52.37	51.83	51.95	72,766	-0.54(-1.02%)
Mar 13, 2012	51.94	52.54	51.86	52.49	70,542	+0.73(+1.42%)
Mar 12, 2012	51.68	51.77	51.43	51.76	49,670	-0.01(-0.02%)
Mar 09, 2012	51.83	51.98	51.66	51.77	91,078	-0.24(-0.47%)
Mar 08, 2012	51.60	52.18	51.58	52.01	72,930	+1.22(+2.40%)
Mar 07, 2012	50.56	50.86	50.49	50.79	64,436	+0.66(+1.32%)
Mar 06, 2012	50.56	50.60	50.01	50.13	77,504	-1.64(-3.17%)
Mar 05, 2012	51.94	51.96	51.60	51.77	500,637	-0.28(-0.53%)
Mar 02, 2012	52.19	52.20	51.88	52.04	224,277	-0.56(-1.07%)

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