Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	20.34	20.35	19.88	20.24	1,095,531	-0.02(-0.08%)
May 30, 2012	20.37	20.51	20.12	20.26	764,905	-0.32(-1.57%)
May 29, 2012	20.36	20.70	20.30	20.58	618,359	+0.45(+2.21%)
May 25, 2012	20.30	20.36	20.09	20.14	358,651	-0.13(-0.64%)
May 24, 2012	20.06	20.27	19.88	20.27	608,093	+0.35(+1.73%)
May 23, 2012	19.49	19.94	19.33	19.92	646,218	+0.27(+1.37%)
May 22, 2012	19.66	19.91	19.52	19.65	700,454	+0.03(+0.16%)
May 21, 2012	18.79	19.72	18.79	19.62	772,335	+0.45(+2.36%)
May 18, 2012	19.40	19.47	19.13	19.17	570,770	-0.16(-0.83%)
May 17, 2012	20.01	20.03	19.33	19.33	557,210	-0.71(-3.53%)
May 16, 2012	20.13	20.41	20.04	20.04	865,265	+0.02(+0.08%)
May 15, 2012	20.23	20.31	19.97	20.02	791,352	-0.15(-0.72%)
May 14, 2012	20.24	20.43	20.13	20.17	698,193	-0.31(-1.54%)
May 11, 2012	20.40	20.67	20.21	20.48	641,024	-0.01(-0.04%)
May 10, 2012	20.47	20.64	20.34	20.49	592,138	+0.15(+0.72%)
May 09, 2012	20.27	20.47	20.13	20.34	676,186	-0.10(-0.49%)
May 08, 2012	20.14	20.46	19.96	20.44	707,382	+0.15(+0.76%)
May 07, 2012	19.98	20.32	19.90	20.29	706,166	+0.22(+1.07%)
May 04, 2012	20.26	20.32	19.94	20.07	820,629	-0.28(-1.40%)
May 03, 2012	20.59	20.63	20.29	20.36	648,440	-0.23(-1.12%)
May 02, 2012	20.44	20.61	20.36	20.59	513,208	+0.11(+0.52%)

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