Week ending Rank Streak
September 29, 2007 13 1
October 6, 2007 14 2
October 13, 2007 15 3
October 20, 2007 17 4
October 27, 2007 18 5
November 3, 2007 19 6
November 10, 2007 19 7
November 17, 2007 19 8
November 24, 2007 20 9
December 1, 2007 21 10
December 8, 2007 22 11
May 10, 2008 17 12
January 24, 2009 12 13
January 31, 2009 7 14
February 21, 2009 7 15
March 21, 2009 1 16
August 22, 2009 23 17
December 19, 2009 20 18
January 16, 2010 21 19