| Current NAV as of 05/22/2013 | $21.05 |
| NAV Change | -$0.19 |
| Daily YTD Return as of 05/22/2013 | 11.26% |
| NAV 12 Month Low-High | $16.84 - $21.24 |
| Net Assets as of 04/30/2013 | $15,899.39 Million |
| Overall |
|
| 3 Year |
|
| 5 Year |
|
| 10 Year |
|
| Month End 04/30/2013 |
Quarter End 03/31/2013 |
|
| 1 Year | 13.46% | 10.87% |
| 3 Years | 10.21% | 10.26% |
| 5 Years | 5.10% | 5.76% |
| 10 Years | 8.97% | 9.62% |
| Since Inception | 9.61% | 9.50% |
| Inception Date | September 30, 2002 | |
| Expense Ratio as of 05/31/2012 | 0.75% | |