Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	50.57	50.69	50.57	50.69	8,345	-0.02(-0.04%)
May 30, 2012	50.68	50.71	50.67	50.71	1,460	-0.08(-0.15%)
May 29, 2012	50.80	50.80	50.71	50.79	4,092	+0.16(+0.32%)
May 25, 2012	50.57	50.63	50.57	50.63	1,798	-0.07(-0.14%)
May 24, 2012	50.68	50.86	50.68	50.70	8,226	+0.03(+0.05%)
May 23, 2012	50.74	50.74	50.66	50.67	7,200	-0.18(-0.35%)
May 22, 2012	50.84	50.93	50.84	50.85	6,907	+0.20(+0.39%)
May 21, 2012	50.45	50.65	50.45	50.65	16,946	-0.05(-0.10%)
May 18, 2012	51.43	51.43	50.70	50.70	14,291	-0.56(-1.08%)
May 17, 2012	51.47	51.47	51.22	51.26	11,646	-0.22(-0.43%)
May 16, 2012	51.58	51.65	51.43	51.48	13,224	-0.22(-0.42%)
May 15, 2012	51.98	51.98	51.64	51.70	15,740	-0.23(-0.45%)
May 14, 2012	52.50	52.50	51.86	51.93	3,559	-0.18(-0.35%)
May 11, 2012	52.19	52.19	52.07	52.11	41,160	-0.01(-0.01%)
May 10, 2012	52.23	52.23	52.12	52.12	24,030	-0.07(-0.14%)
May 09, 2012	52.36	52.38	52.12	52.19	54,384	-0.21(-0.40%)
May 08, 2012	52.36	52.47	52.36	52.40	90,146	-0.00(-0.00%)
May 07, 2012	52.40	52.45	52.40	52.41	17,801	-0.06(-0.11%)
May 04, 2012	52.43	52.54	52.43	52.46	21,483	+0.03(+0.05%)
May 03, 2012	52.31	52.47	52.31	52.43	156,778	+0.17(+0.32%)
May 02, 2012	52.29	52.34	52.27	52.27	75,747	-0.01(-0.02%)
May 01, 2012	52.47	52.47	52.27	52.28	18,625	+0.02(+0.04%)
Apr 30, 2012	51.95	52.39	51.95	52.26	13,838	+0.18(+0.34%)
Apr 27, 2012	52.06	52.12	52.06	52.08	4,172	-0.00(-0.01%)
Apr 26, 2012	51.97	52.13	51.97	52.08	27,441	+0.03(+0.05%)
Apr 25, 2012	52.12	52.12	51.98	52.06	33,491	+0.06(+0.12%)
Apr 24, 2012	52.01	52.01	51.93	51.99	5,324	-0.02(-0.04%)
Apr 23, 2012	52.21	52.21	52.01	52.02	3,604	-0.13(-0.24%)
Apr 20, 2012	52.72	52.72	52.09	52.14	11,225	+0.03(+0.07%)
Apr 19, 2012	52.16	52.20	52.11	52.11	54,676	-0.01(-0.03%)
Apr 18, 2012	52.04	52.16	52.04	52.12	4,832	+0.07(+0.13%)
Apr 17, 2012	52.05	52.05	52.02	52.05	9,894	+0.06(+0.11%)
Apr 16, 2012	55.00	52.00	51.97	51.99	10,136	+0.05(+0.09%)
Apr 13, 2012	51.99	51.99	51.95	51.95	3,147	+0.03(+0.05%)
Apr 12, 2012	51.90	51.92	51.90	51.92	4,213	+0.08(+0.15%)
Apr 11, 2012	52.12	52.12	51.81	51.84	13,166	+0.00(+0.00%)
Apr 10, 2012	52.21	52.21	51.84	51.84	5,727	-0.17(-0.33%)
Apr 09, 2012	52.25	52.25	51.95	52.02	46,638	+0.05(+0.09%)
Apr 05, 2012	52.01	52.02	51.97	51.97	6,853	-0.03(-0.05%)
Apr 04, 2012	52.11	52.11	52.00	52.00	14,983	-0.10(-0.20%)
Apr 03, 2012	52.11	52.14	52.09	52.10	9,694	-0.00(-0.00%)
Apr 02, 2012	52.16	52.16	52.02	52.10	9,983	+0.01(+0.03%)
Mar 30, 2012	52.18	52.18	52.09	52.09	7,219	-0.06(-0.11%)
Mar 29, 2012	52.17	52.17	52.10	52.14	13,837	-0.15(-0.29%)
Mar 28, 2012	52.18	52.31	52.16	52.29	27,218	+0.11(+0.22%)
Mar 27, 2012	52.16	52.19	52.15	52.18	13,668	+0.02(+0.05%)
Mar 26, 2012	52.18	52.18	52.12	52.15	36,992	-0.00(-0.00%)
Mar 23, 2012	52.17	52.17	52.12	52.16	7,553	-0.05(-0.09%)
Mar 22, 2012	52.19	52.20	52.17	52.20	9,138	-0.04(-0.08%)
Mar 21, 2012	52.23	52.29	52.19	52.25	3,945	+0.02(+0.04%)
Mar 20, 2012	52.23	52.24	52.22	52.23	18,384	-0.06(-0.11%)
Mar 19, 2012	52.27	52.41	52.27	52.29	15,235	+0.01(+0.03%)
Mar 16, 2012	52.20	52.27	52.20	52.27	15,080	+0.07(+0.13%)
Mar 15, 2012	52.22	52.22	52.19	52.20	24,708	-0.12(-0.23%)
Mar 14, 2012	52.38	52.39	52.32	52.32	260,763	-0.03(-0.07%)
Mar 13, 2012	52.37	52.37	52.28	52.36	85,221	+0.08(+0.16%)
Mar 12, 2012	58.65	52.30	52.27	52.27	55,034	+0.03(+0.05%)
Mar 09, 2012	52.22	52.29	52.22	52.25	13,123	+0.08(+0.15%)

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