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