| Current NAV as of 06/19/2013 | $20.90 |
| NAV Change | -$0.28 |
| Daily YTD Return as of 06/19/2013 | 9.48% |
| NAV 12 Month Low-High | $17.26 - $21.64 |
| Net Assets as of 04/30/2013 | $10,665.97 Million |
| Overall |
|
| 3 Year |
|
| 5 Year |
|
| 10 Year |
|
| Month End 05/31/2013 |
Quarter End 03/31/2013 |
|
| 1 Year | 24.49% | 11.34% |
| 3 Years | 13.93% | 10.50% |
| 5 Years | 4.85% | 5.79% |
| 10 Years | 8.45% | 9.62% |
| Since Inception | 9.66% | 9.51% |
| Inception Date | September 30, 2002 | |
| Expense Ratio as of 05/31/2012 | 0.78% | |