Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	20.94	20.99	20.93	20.96	7,898	+0.01(+0.05%)
May 30, 2012	20.96	20.96	20.86	20.95	16,114	+0.07(+0.34%)
May 29, 2012	20.93	20.93	20.88	20.88	13,130	-0.05(-0.24%)
May 28, 2012	20.98	20.98	20.87	20.93	22,235	-0.02(-0.10%)
May 25, 2012	20.97	20.98	20.95	20.95	22,501	+0.02(+0.10%)
May 24, 2012	20.88	20.93	20.88	20.93	12,315	+0.01(+0.05%)
May 23, 2012	20.92	20.94	20.90	20.92	14,403	-0.04(-0.19%)
May 22, 2012	20.97	20.97	20.92	20.96	23,538	-0.11(-0.52%)
May 18, 2012		21.07	21.07	21.07	0	+0.05(+0.24%)
May 17, 2012	20.98	21.03	20.95	21.02	27,943	+0.05(+0.24%)
May 16, 2012	20.94	20.97	20.88	20.97	31,779	+0.12(+0.58%)
May 15, 2012	20.95	20.97	20.80	20.85	21,650	-0.11(-0.52%)
May 14, 2012	20.97	20.98	20.95	20.96	11,150	-0.01(-0.05%)
May 11, 2012	20.95	20.97	20.92	20.97	28,449	+0.03(+0.14%)
May 10, 2012	20.92	20.94	20.90	20.94	12,651	+0.01(+0.05%)
May 09, 2012	20.95	20.96	20.91	20.93	21,476	-0.02(-0.10%)
May 08, 2012	20.83	20.97	20.82	20.95	13,640	+0.10(+0.48%)
May 07, 2012	20.93	20.93	20.85	20.85	13,183	-0.09(-0.43%)
May 04, 2012	20.89	20.94	20.87	20.94	17,315	+0.09(+0.43%)
May 03, 2012	20.83	20.86	20.75	20.85	26,382	+0.00(+0.00%)
May 02, 2012	20.83	20.85	20.81	20.85	10,113	+0.04(+0.19%)
May 01, 2012	20.82	20.82	20.75	20.81	10,214	+0.02(+0.10%)
Apr 30, 2012	20.81	20.81	20.70	20.79	65,232	+0.04(+0.19%)
Apr 27, 2012	20.70	20.77	20.67	20.75	41,342	-0.03(-0.14%)
Apr 26, 2012	20.75	20.78	20.74	20.78	25,976	+0.04(+0.19%)
Apr 25, 2012	20.74	20.75	20.60	20.74	51,239	-0.03(-0.14%)
Apr 24, 2012	20.78	20.79	20.73	20.77	23,156	-0.03(-0.14%)
Apr 23, 2012	20.80	20.83	20.77	20.80	11,726	-0.07(-0.34%)
Apr 20, 2012	20.88	20.88	20.83	20.87	24,226	-0.04(-0.19%)
Apr 19, 2012	20.91	20.91	20.82	20.91	28,001	+0.04(+0.19%)
Apr 18, 2012	20.83	20.90	20.82	20.87	19,687	+0.00(+0.00%)
Apr 17, 2012	20.87	20.87	20.73	20.87	39,367	-0.08(-0.38%)
Apr 16, 2012	20.98	20.98	20.95	20.95	8,407	-0.03(-0.14%)
Apr 13, 2012	20.98	20.98	20.97	20.98	11,835	+0.04(+0.19%)
Apr 12, 2012	20.97	20.97	20.92	20.94	23,353	-0.02(-0.10%)
Apr 11, 2012	20.99	20.99	20.94	20.96	12,254	-0.05(-0.24%)
Apr 10, 2012	20.97	21.02	20.97	21.01	19,300	+0.06(+0.29%)
Apr 09, 2012	20.89	20.97	20.89	20.95	9,406	+0.06(+0.29%)
Apr 05, 2012	20.89	20.94	20.87	20.89	17,432	+0.01(+0.05%)
Apr 04, 2012	20.89	20.90	20.83	20.88	31,054	+0.05(+0.24%)
Apr 03, 2012	20.91	20.91	20.82	20.83	10,973	-0.06(-0.29%)
Apr 02, 2012	20.93	20.94	20.76	20.89	70,680	-0.02(-0.10%)
Mar 30, 2012	20.87	20.94	20.87	20.91	22,927	+0.11(+0.53%)
Mar 29, 2012	20.91	20.91	20.80	20.80	44,069	-0.05(-0.24%)
Mar 28, 2012	20.84	20.87	20.81	20.85	17,696	+0.01(+0.05%)
Mar 27, 2012	20.75	20.84	20.75	20.84	65,733	+0.07(+0.34%)
Mar 26, 2012	20.75	20.77	20.71	20.77	20,884	+0.01(+0.05%)
Mar 23, 2012	20.78	20.79	20.65	20.76	14,922	-0.07(-0.34%)
Mar 22, 2012	20.83	20.85	20.77	20.83	42,092	+0.05(+0.24%)
Mar 21, 2012	20.70	20.78	20.66	20.78	31,329	+0.05(+0.24%)
Mar 20, 2012	20.75	20.76	20.70	20.73	477,296	+0.01(+0.05%)
Mar 19, 2012	20.77	20.77	20.70	20.72	410,490	-0.15(-0.72%)
Mar 16, 2012	20.73	20.87	20.70	20.87	148,424	+0.05(+0.24%)
Mar 15, 2012	20.80	20.82	20.70	20.82	14,767	+0.00(+0.00%)
Mar 14, 2012	20.85	20.85	20.76	20.82	33,441	-0.05(-0.24%)
Mar 13, 2012	20.90	20.90	20.86	20.87	15,278	-0.06(-0.29%)
Mar 12, 2012	20.94	20.94	20.90	20.93	25,274	+0.03(+0.14%)
Mar 09, 2012	20.88	20.90	20.80	20.90	27,130	+0.02(+0.10%)
Mar 08, 2012	20.73	20.90	20.73	20.88	16,163	+0.17(+0.82%)
Mar 07, 2012	20.92	20.92	20.71	20.71	48,563	-0.23(-1.10%)
Mar 06, 2012	20.89	20.94	20.88	20.94	14,240	+0.05(+0.24%)
Mar 05, 2012	20.89	20.90	20.88	20.89	18,542	-0.01(-0.05%)
Mar 02, 2012	20.87	20.91	20.86	20.90	17,570	+0.03(+0.14%)

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