Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	82.67	83.90	82.14	82.48	269,536	+0.36(+0.43%)
May 23, 2011	81.48	82.42	81.03	82.13	386,289	-0.47(-0.56%)
May 20, 2011	82.25	83.17	81.70	82.59	433,686	+0.14(+0.17%)
May 19, 2011	82.64	83.43	82.23	82.45	571,874	+0.30(+0.37%)
May 18, 2011	80.92	82.36	80.88	82.14	755,501	+1.25(+1.55%)
May 17, 2011	78.75	81.53	78.19	80.89	926,782	+1.81(+2.29%)
May 16, 2011	78.67	80.16	78.28	79.08	674,100	+0.25(+0.32%)
May 13, 2011	79.23	79.42	77.98	78.83	380,197	-0.14(-0.18%)
May 12, 2011	79.07	79.84	77.71	78.97	632,128	-0.86(-1.08%)
May 11, 2011	81.42	81.42	79.09	79.84	570,692	-1.73(-2.13%)
May 10, 2011	80.19	81.96	79.71	81.57	579,011	+1.31(+1.63%)
May 09, 2011	78.39	80.40	78.09	80.26	610,097	+2.02(+2.58%)
May 06, 2011	78.33	80.11	77.81	78.24	510,318	+0.20(+0.26%)
May 05, 2011	76.17	79.24	75.46	78.03	848,457	+0.95(+1.23%)
May 04, 2011	77.70	77.70	75.21	77.09	675,349	-0.48(-0.62%)
May 03, 2011	78.68	79.19	76.32	77.57	583,492	-1.57(-1.99%)
May 02, 2011	78.93	79.22	78.57	79.14	478,115	-2.02(-2.49%)
Apr 29, 2011	80.42	81.49	79.65	81.16	285,054	+0.94(+1.17%)
Apr 28, 2011	80.17	81.43	79.66	80.22	242,657	-0.46(-0.57%)
Apr 27, 2011	82.18	82.18	79.65	80.68	449,326	-1.24(-1.52%)
Apr 26, 2011	82.57	82.74	81.42	81.92	1,255,547	-0.37(-0.45%)
Apr 25, 2011	81.51	82.43	80.82	82.30	386,102	+0.68(+0.84%)
Apr 21, 2011	81.09	81.74	80.75	81.61	484,361	+0.49(+0.60%)
Apr 20, 2011	83.41	83.98	80.61	81.12	1,195,306	-0.92(-1.12%)
Apr 19, 2011	80.85	82.38	79.79	82.04	718,090	+1.47(+1.82%)
Apr 18, 2011	79.40	81.18	78.49	80.58	556,445	+0.15(+0.19%)
Apr 15, 2011	79.42	80.85	78.79	80.42	384,604	+1.30(+1.64%)
Apr 14, 2011	79.44	79.83	78.17	79.12	676,017	-0.98(-1.22%)
Apr 13, 2011	80.50	81.25	79.88	80.10	387,969	-0.20(-0.25%)
Apr 12, 2011	81.06	81.06	78.19	80.31	908,455	-1.42(-1.73%)
Apr 11, 2011	84.27	84.51	81.55	81.72	358,554	-2.56(-3.03%)
Apr 08, 2011	84.30	85.35	84.02	84.28	234,142	+0.13(+0.16%)
Apr 07, 2011	85.43	85.99	84.06	84.14	446,646	-1.61(-1.88%)
Apr 06, 2011	88.79	89.18	85.72	85.75	406,208	-2.94(-3.31%)
Apr 05, 2011	88.72	89.14	88.40	88.69	278,486	-0.01(-0.01%)
Apr 04, 2011	87.72	89.20	87.72	88.70	269,267	+1.22(+1.40%)
Apr 01, 2011	86.48	87.83	86.34	87.48	377,706	+1.30(+1.51%)
Mar 31, 2011	86.56	86.84	85.50	86.18	293,893	-0.10(-0.12%)
Mar 30, 2011	86.87	87.20	85.34	86.28	553,437	-0.24(-0.28%)
Mar 29, 2011	85.21	86.79	84.48	86.52	1,041,145	+1.16(+1.35%)
Mar 28, 2011	84.37	85.87	83.92	85.37	784,493	+0.91(+1.08%)
Mar 25, 2011	85.03	85.11	83.87	84.46	727,199	-0.60(-0.70%)
Mar 24, 2011	84.67	85.51	83.79	85.05	347,166	+0.50(+0.59%)
Mar 23, 2011	83.63	84.66	82.91	84.56	279,325	+0.73(+0.87%)
Mar 22, 2011	84.35	85.31	83.42	83.83	174,333	-0.65(-0.77%)
Mar 21, 2011	83.70	84.49	83.50	84.48	277,669	+2.61(+3.18%)
Mar 18, 2011	83.64	83.92	81.50	81.87	448,255	-0.90(-1.09%)
Mar 17, 2011	82.20	83.17	81.79	82.78	289,258	+1.78(+2.20%)
Mar 16, 2011	82.67	83.89	80.73	81.00	473,692	-1.86(-2.24%)
Mar 15, 2011	82.68	83.50	82.52	82.85	217,600	-0.35(-0.43%)
Mar 14, 2011	82.66	83.35	81.31	83.21	221,726	+0.40(+0.49%)
Mar 11, 2011	81.72	83.27	80.62	82.80	326,875	+0.54(+0.66%)
Mar 10, 2011	84.99	84.99	82.09	82.26	564,396	-2.94(-3.45%)
Mar 09, 2011	86.24	86.67	84.94	85.20	221,556	-0.75(-0.87%)
Mar 08, 2011	86.48	87.62	84.84	85.95	276,678	-0.92(-1.06%)
Mar 07, 2011	86.93	87.88	85.77	86.87	307,578	+0.08(+0.10%)
Mar 04, 2011	87.50	87.50	85.97	86.78	194,263	-0.12(-0.14%)
Mar 03, 2011	86.75	87.61	86.69	86.90	284,035	+0.44(+0.51%)
Mar 02, 2011	85.00	86.68	83.95	86.46	253,857	+1.87(+2.21%)

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