April 9, 2007 32,000
March 23, 2007 31,000
March 4, 2007 30,000
February 19, 2007 29,000
February 7, 2007 28,000
February 1, 2007 27,000
January 26, 2007 26,000
January 20, 2007 25,000
January 12, 2007 24,000
January 3, 2007 23,000
December 14,2006 22,000
November 16, 2006: 21,000
October 10, 2006: 20,000
July 29,2006: 19,000
May 8, 2006: 18,000
March 16, 2006: 17,000
February 12, 2006: 16,000
January 7, 2006: 14,000
August 31, 2005: 11,550
March 8, 2005: 10,000
October 30, 2003: 993
January 16, 2003: 0