| Current NAV as of 05/20/2013 | $14.38 |
| NAV Change | $0.01 |
| Daily YTD Return as of 05/20/2013 | 13.14% |
| NAV 12 Month Low-High | $11.21 - $14.38 |
| Net Assets as of 04/30/2013 | $4,229.70 Million |
| Overall |
|
| 3 Year |
|
| 5 Year |
|
| 10 Year | N/A |
| Month End 04/30/2013 |
Quarter End 03/31/2013 |
|
| 1 Year | 14.00% | 11.31% |
| 3 Years | 10.44% | 10.49% |
| 5 Years | 5.09% | 5.79% |
| 10 Years | N/A | N/A |
| Since Inception | 6.68% | 6.50% |
| Inception Date | May 31, 2005 | |
| Expense Ratio as of 05/31/2012 | 0.78% | |