Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	47.79	48.10	47.44	47.83	390,226	+0.31(+0.65%)
May 30, 2012	47.56	47.61	47.17	47.52	493,189	-1.05(-2.17%)
May 29, 2012	48.31	48.71	48.18	48.57	273,258	+1.17(+2.46%)
May 25, 2012	47.48	47.58	47.31	47.40	185,563	-0.08(-0.17%)
May 24, 2012	47.87	48.00	47.30	47.48	326,825	+0.28(+0.60%)
May 23, 2012	47.37	47.37	46.52	47.20	361,292	-0.87(-1.81%)
May 22, 2012	48.27	48.56	47.83	48.07	370,755	-0.81(-1.67%)
May 21, 2012	48.51	48.95	48.30	48.89	395,192	+0.03(+0.06%)
May 18, 2012	49.60	49.64	48.72	48.86	1,628,309	-0.79(-1.58%)
May 17, 2012	50.34	50.34	49.65	49.65	585,579	-0.25(-0.51%)
May 16, 2012	50.27	50.59	49.85	49.90	795,591	-0.74(-1.47%)
May 15, 2012	50.71	50.97	50.45	50.64	630,422	+0.69(+1.39%)
May 14, 2012	50.35	50.36	49.91	49.95	499,110	-1.80(-3.47%)
May 11, 2012	51.70	52.07	51.54	51.74	373,807	-0.17(-0.32%)
May 10, 2012	52.21	52.31	51.84	51.91	566,689	-0.76(-1.45%)
May 09, 2012	52.65	52.96	52.24	52.67	311,272	-1.30(-2.40%)
May 08, 2012	54.07	54.26	53.53	53.97	690,302	+0.33(+0.62%)
May 07, 2012	53.60	53.82	53.36	53.64	792,028	-0.05(-0.09%)
May 04, 2012	54.12	54.17	53.63	53.69	933,685	-0.77(-1.42%)
May 03, 2012	54.75	54.80	54.30	54.46	1,159,625	-0.22(-0.40%)
May 02, 2012	54.58	54.71	54.28	54.68	694,379	+0.00(+0.00%)
May 01, 2012	54.26	54.94	54.26	54.68	411,531	+0.30(+0.54%)
Apr 30, 2012	54.07	54.38	54.07	54.38	538,597	+0.74(+1.37%)
Apr 27, 2012	53.48	53.65	53.26	53.65	405,151	+0.26(+0.49%)
Apr 26, 2012	52.92	53.51	52.90	53.39	144,620	+0.62(+1.17%)
Apr 25, 2012	52.68	52.84	52.49	52.77	173,535	+0.28(+0.54%)
Apr 24, 2012	52.45	52.60	52.36	52.49	258,184	+0.35(+0.68%)
Apr 23, 2012	51.95	52.23	51.65	52.13	313,920	-0.51(-0.97%)
Apr 20, 2012	52.59	52.88	52.59	52.65	112,401	+0.85(+1.64%)
Apr 19, 2012	52.09	52.29	51.64	51.79	165,240	+0.51(+1.00%)
Apr 18, 2012	51.25	51.39	51.17	51.28	111,408	-0.04(-0.08%)
Apr 17, 2012	51.22	51.47	51.02	51.33	107,196	+0.10(+0.20%)
Apr 16, 2012	51.69	51.77	51.13	51.23	160,415	-0.26(-0.50%)
Apr 13, 2012	51.89	51.89	51.44	51.48	141,050	-0.37(-0.71%)
Apr 12, 2012	51.23	51.88	50.99	51.85	246,825	+1.45(+2.87%)
Apr 11, 2012	50.53	50.62	50.30	50.40	198,665	+0.30(+0.59%)
Apr 10, 2012	51.06	51.10	50.02	50.11	653,499	-1.34(-2.61%)
Apr 09, 2012	51.54	51.64	51.17	51.45	240,109	-0.49(-0.94%)
Apr 05, 2012	51.80	52.00	51.36	51.94	471,485	-0.48(-0.91%)
Apr 04, 2012	52.47	52.47	52.01	52.41	243,689	-1.08(-2.02%)
Apr 03, 2012	53.55	53.66	53.21	53.50	486,813	+0.40(+0.75%)
Apr 02, 2012	52.54	53.34	52.43	53.10	680,804	+0.63(+1.20%)
Mar 30, 2012	52.49	52.70	52.25	52.47	593,132	-0.21(-0.40%)
Mar 29, 2012	52.62	52.88	52.38	52.68	660,738	+0.09(+0.16%)
Mar 28, 2012	52.80	52.90	52.35	52.59	389,051	-0.28(-0.53%)
Mar 27, 2012	53.27	53.29	52.84	52.88	263,429	-0.09(-0.18%)
Mar 26, 2012	52.63	52.98	52.57	52.97	341,460	+0.25(+0.48%)
Mar 23, 2012	52.58	52.77	52.33	52.72	522,812	+0.38(+0.73%)
Mar 22, 2012	52.28	52.40	52.09	52.34	615,394	-0.66(-1.25%)
Mar 21, 2012	53.08	53.27	53.00	53.00	242,372	+0.22(+0.41%)
Mar 20, 2012	52.96	52.96	52.62	52.78	246,847	-0.33(-0.62%)
Mar 19, 2012	52.85	53.27	52.80	53.11	306,661	+0.45(+0.85%)
Mar 16, 2012	52.49	52.79	52.49	52.67	297,130	+0.84(+1.61%)
Mar 15, 2012	51.64	51.90	51.50	51.83	385,535	+0.75(+1.47%)
Mar 14, 2012	51.49	51.52	50.99	51.08	384,204	-0.48(-0.94%)
Mar 13, 2012	51.15	51.65	50.95	51.56	326,795	+0.84(+1.65%)
Mar 12, 2012	50.83	50.92	50.56	50.73	243,008	-0.95(-1.84%)
Mar 09, 2012	51.50	51.84	51.34	51.68	401,924	-0.35(-0.68%)
Mar 08, 2012	51.93	52.15	51.77	52.03	287,158	+1.10(+2.17%)
Mar 07, 2012	50.66	51.04	50.66	50.93	221,201	+0.47(+0.93%)
Mar 06, 2012	50.65	50.67	50.24	50.46	796,536	-0.86(-1.67%)
Mar 05, 2012	51.64	51.65	51.21	51.32	542,844	-0.55(-1.06%)
Mar 02, 2012	51.92	52.04	51.66	51.87	1,081,092	-0.48(-0.92%)

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