| Date |
NAV |
| April 30, 2012 |
14.15 |
| March 31, 2012 |
15.24 |
| February 28, 2012 |
17.05 |
| January 31, 2012 |
17.17 |
|
| Date |
NAV |
| December 31, 2011 |
16.29 |
| November 30, 2011 |
17.45 |
| October 31, 2011 |
18.21 |
| September 30, 2011 |
16.04 |
| August 31, 2011 |
20.43 |
| August 2, 2011 |
22.44 |
| July 22, 2011 |
23.19 |
| June 30, 2011 |
21.05 |
| May 31, 2011 |
23.08 |
| April 30, 2011 |
24.90 |
| March 31, 2011 |
24.86 |
| February 28, 2011 |
27.32 |
| January 31, 2011 |
25.66 |
|
| Date |
NAV |
| December 31, 2010 |
26.50 |
|
