2017
| unchanged | 1,069,837,447 |
| Dec 31, 2016 | 1,069,837,447 |
| Dec 31, 2015 | 1,069,837,447 |
| Apr 30, 2014 | 1,069,837,447 |
| Mar 31, 2014 | 1,069,832,622 |
| Feb 28, 2014 | 1,069,787,597 |
| Jan 31, 2014 | 1,069,781,697 |
| Dec 31, 2013 | 1,069,772,847 |
| Nov 30, 2013 | 1,069,726,672 |
| Oct 31, 2013 | 1,069,642,372 |
| Sept 30, 2013 | 1,069,587,547 |
| Aug 31, 2013 | 1,069,494,097 |
| July 31, 2013 | 1,069,435,997 |
| June 30, 2013 | 1,068,982,797 |
| May 31, 2013 | 1,068,870,247 |
| Apr 30, 2013 | 1,067,868,172 |
| Mar 31, 2013 | 1,067,850,882 |
| Feb 28, 2013 | 1,067,646,507 |
| Jan 31, 2013 | 1,067,613,907 |
| Dec 31, 2012 | 1,067,578,882 |
| Nov 30, 2012 | 1,067,411,157 |
| Oct 31, 2012 | 1,067,356,457 |
| Sep 30, 2012 | 1,067,283,532 |
| Aug 31, 2012 | 1,067,204,557 |
| Jul 31, 2012 | 1,067,028,332 |
| Jun 30, 2012 | 1,066,477,957 |
| May 31, 2012 | 1,066,433,607 |
| Apr 30, 2012 | 1,066,397,532 |
| Mar 31, 2012 | 1,066,383,882 |
| Feb 29, 2012 | 1,066,363,582 |
| Dec 30, 2011 | 1,066,345,732 |
| Nov 30, 2011 | 1,066,334,157 |
| Oct 31, 2011 | 1,066,332,707 |
| Sep 30, 2011 | 1,066,306,807 |
| Aug 31, 2011 | 1,066,298,657 |
| Jul 31, 2011 | 1,066,244,757 |
| Jun 30, 2011 | 1,065,816,307 |
| May 31, 2011 | 1,065,782,707 |
| Apr 30, 2011 | 1,065,708,832 |
| Mar 31, 2011 | 1,065,652,207 |
| Feb 28, 2011 | 1,065,648,307 |
| Jan 31, 2011 | 1,065,643,657 |
| Dec 31, 2010 | 1,065,641,907 |
| Nov 30, 2010 | 1,063,816,507 |
| Oct 31, 2010 | 1,062,322,332 |
| Sept 30, 2010 | 1,061,979,457 |
| Aug 31, 2010 | 1,061,652,132 |
| Jul 30, 2010 | 1,061,649,882 |
| Jun 30, 2010 | 1,061,633,432 |
| May 31, 2010 | 1,061,416,407 |
| Apr 30, 2010 | 1,061,376,882 |
| Mar 31, 2010 | 1,061,185,632 |
| Jan 29, 2010 | 1,061,184,782 |
| Dec 31, 2009 | 1,061,183,782 |
| Nov 30, 2009 | 1,061,160,182 |
| Oct 30, 2009 | 1,061,136,007 |
| Mar 31, 2009 | 1,060,965,432 |