Week ending Rank Streak
September 4, 2007 13 1
September 8, 2007 16 2
September 15, 2007 23 3
September 29, 2007 3 4
October 6, 2007 18 5
October 13, 2007 20 6
December 27, 2008 3 7
January 24, 2009 16 8
January 31, 2009 5 9
August 22, 2009 25 10
December 19, 2009 15 11
January 16, 2010 23 12