Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.12	21.20	20.85	20.92	372,859	-0.04(-0.21%)
May 23, 2011	21.00	21.06	20.80	20.97	359,544	-0.72(-3.34%)
May 20, 2011	21.83	21.92	21.55	21.69	265,412	-0.23(-1.03%)
May 19, 2011	21.80	21.98	21.70	21.92	189,498	+0.29(+1.34%)
May 18, 2011	21.48	21.68	21.43	21.63	159,985	+0.11(+0.50%)
May 17, 2011	21.37	21.54	21.23	21.52	833,189	-0.01(-0.03%)
May 16, 2011	21.37	21.77	21.37	21.53	310,589	+0.25(+1.15%)
May 13, 2011	21.69	21.71	21.16	21.28	458,678	-0.47(-2.17%)
May 12, 2011	21.56	21.87	21.46	21.76	519,444	+0.20(+0.90%)
May 11, 2011	21.91	21.96	21.48	21.56	438,829	-0.50(-2.25%)
May 10, 2011	21.86	22.09	21.79	22.06	495,951	+0.37(+1.68%)
May 09, 2011	21.57	21.74	21.46	21.69	293,690	+0.35(+1.65%)
May 06, 2011	21.84	21.89	21.15	21.34	546,941	-0.18(-0.85%)
May 05, 2011	21.82	21.90	21.43	21.52	357,404	-0.54(-2.43%)
May 04, 2011	22.34	22.34	21.96	22.06	927,340	-0.21(-0.93%)
May 03, 2011	22.22	22.45	22.15	22.27	706,383	-0.26(-1.15%)

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