Update:
2010
November 25th - 46,220,200 - 6.13%
2011
January 24th - 139,061,654 - 13.58%
March 12th - 348,506,373 - 26.63%
April 4th 397,068,619 – 30.25%
June 30th - 326,262,489 - 24.29%
September 30th 298,812,034 (unknown)
November 30th 278,391,645 - 21.04%
December 31sth 263,828,255 - 19.92%
2012
January 31st 250,202,262 - 18.89%
February 29th 244,467,006 - 18.46%
April 30th 235,856,957 - 17.81