| Current NAV as of 06/19/2013 | $14.33 |
| NAV Change | -$0.13 |
| Daily YTD Return as of 06/19/2013 | 3.26% |
| NAV 12 Month Low-High | $13.24 - $14.72 |
| Net Assets as of 04/30/2013 | $3,171.04 Million |
| Overall |
|
| 3 Year |
|
| 5 Year |
|
| 10 Year |
|
| Month End 05/31/2013 |
Quarter End 03/31/2013 |
|
| 1 Year | 11.67% | 7.12% |
| 3 Years | 8.46% | 7.16% |
| 5 Years | 5.02% | 5.49% |
| 10 Years | 6.19% | 6.87% |
| Since Inception | 6.92% | 6.96% |
| Inception Date | September 30, 2002 | |
| Expense Ratio as of 05/31/2012 | 0.57% | |