Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	82.63	83.86	82.09	82.44	269,673	+0.36(+0.43%)
May 23, 2011	81.43	82.38	80.99	82.09	386,485	-0.46(-0.56%)
May 20, 2011	82.20	83.13	81.66	82.55	433,905	+0.14(+0.17%)
May 19, 2011	82.60	83.39	82.19	82.41	572,164	+0.30(+0.37%)
May 18, 2011	80.88	82.31	80.83	82.10	755,884	+1.25(+1.55%)
May 17, 2011	78.71	81.49	78.15	80.85	927,252	+1.81(+2.29%)
May 16, 2011	78.63	80.11	78.24	79.04	674,442	+0.25(+0.32%)
May 13, 2011	79.19	79.38	77.94	78.79	380,390	-0.14(-0.18%)
May 12, 2011	79.03	79.80	77.67	78.93	632,448	-0.86(-1.08%)
May 11, 2011	81.38	81.38	79.05	79.80	570,981	-1.73(-2.13%)
May 10, 2011	80.15	81.92	79.66	81.53	579,305	+1.31(+1.63%)
May 09, 2011	78.35	80.36	78.05	80.22	610,406	+2.02(+2.58%)
May 06, 2011	78.29	80.07	77.78	78.20	510,576	+0.20(+0.26%)
May 05, 2011	76.14	79.19	75.42	77.99	848,887	+0.95(+1.23%)
May 04, 2011	77.66	77.66	75.17	77.05	675,692	-0.48(-0.62%)
May 03, 2011	78.64	79.15	76.28	77.53	583,788	-1.57(-1.99%)
May 02, 2011	78.89	79.18	78.53	79.10	478,358	-2.02(-2.49%)
Apr 29, 2011	80.38	81.45	79.61	81.12	285,198	+0.94(+1.17%)
Apr 28, 2011	80.12	81.38	79.62	80.18	242,780	-0.46(-0.57%)
Apr 27, 2011	82.14	82.14	79.61	80.64	449,554	-1.24(-1.52%)
Apr 26, 2011	82.53	82.69	81.38	81.88	1,256,184	-0.37(-0.45%)
Apr 25, 2011	81.47	82.39	80.78	82.25	386,298	+0.68(+0.84%)
Apr 21, 2011	81.05	81.70	80.71	81.57	484,607	+0.49(+0.60%)
Apr 20, 2011	83.37	83.94	80.57	81.08	1,195,912	-0.92(-1.12%)
Apr 19, 2011	80.81	82.34	79.75	82.00	718,454	+1.47(+1.82%)
Apr 18, 2011	79.36	81.14	78.45	80.53	556,727	+0.15(+0.19%)
Apr 15, 2011	79.38	80.81	78.75	80.38	384,799	+1.30(+1.64%)
Apr 14, 2011	79.40	79.79	78.13	79.08	676,360	-0.98(-1.22%)
Apr 13, 2011	80.46	81.21	79.84	80.06	388,165	-0.20(-0.25%)
Apr 12, 2011	81.02	81.02	78.15	80.27	908,916	-1.42(-1.73%)
Apr 11, 2011	84.23	84.47	81.50	81.68	358,736	-2.55(-3.03%)
Apr 08, 2011	84.26	85.30	83.97	84.24	234,261	+0.13(+0.16%)
Apr 07, 2011	85.38	85.95	84.02	84.10	446,873	-1.61(-1.88%)
Apr 06, 2011	88.75	89.13	85.68	85.71	406,414	-2.93(-3.31%)
Apr 05, 2011	88.68	89.09	88.36	88.64	278,627	-0.01(-0.01%)
Apr 04, 2011	87.68	89.15	87.68	88.65	269,403	+1.22(+1.40%)
Apr 01, 2011	86.44	87.78	86.29	87.43	377,898	+1.30(+1.51%)
Mar 31, 2011	86.51	86.80	85.46	86.13	294,042	-0.10(-0.12%)
Mar 30, 2011	86.82	87.15	85.30	86.23	553,718	-0.24(-0.28%)
Mar 29, 2011	85.17	86.75	84.44	86.48	1,041,674	+1.16(+1.35%)
Mar 28, 2011	84.33	85.83	83.88	85.32	784,891	+0.91(+1.08%)
Mar 25, 2011	84.99	85.07	83.82	84.41	727,568	-0.60(-0.70%)
Mar 24, 2011	84.62	85.47	83.75	85.01	347,342	+0.50(+0.59%)
Mar 23, 2011	83.59	84.62	82.87	84.51	279,467	+0.73(+0.87%)
Mar 22, 2011	84.30	85.26	83.38	83.79	174,421	-0.65(-0.77%)
Mar 21, 2011	83.66	84.45	83.46	84.44	277,810	+2.60(+3.18%)
Mar 18, 2011	83.59	83.88	81.45	81.83	448,482	-0.90(-1.09%)
Mar 17, 2011	82.15	83.12	81.75	82.74	289,405	+1.78(+2.20%)
Mar 16, 2011	82.63	83.85	80.69	80.96	473,932	-1.85(-2.24%)
Mar 15, 2011	82.63	83.46	82.47	82.81	217,710	-0.35(-0.43%)
Mar 14, 2011	82.62	83.31	81.27	83.17	221,838	+0.40(+0.49%)
Mar 11, 2011	81.68	83.23	80.58	82.76	327,041	+0.54(+0.66%)
Mar 10, 2011	84.94	84.94	82.04	82.22	564,682	-2.93(-3.45%)
Mar 09, 2011	86.19	86.63	84.90	85.15	221,669	-0.75(-0.87%)
Mar 08, 2011	86.44	87.57	84.79	85.90	276,818	-0.92(-1.06%)
Mar 07, 2011	86.88	87.84	85.73	86.82	307,734	+0.08(+0.10%)
Mar 04, 2011	87.46	87.46	85.92	86.74	194,361	-0.12(-0.14%)
Mar 03, 2011	86.71	87.57	86.65	86.86	284,179	+0.44(+0.51%)
Mar 02, 2011	84.95	86.64	83.91	86.42	253,985	+1.87(+2.21%)

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