Week ending Rank Streak
September 4, 2007 14 1
September 8, 2007 17 2
September 15, 2007 24 3
January 24, 2009 18 4
January 31, 2009 16 5
August 22, 2009 24 6
December 19, 2009 19 7
January 16, 2010 22 8