Week ending Rank Streak
September 4, 2007 4 1
September 8, 2007 7 2
September 15, 2007 14 3
September 22, 2007 18 4
March 1, 2008 9 5
May 24, 2008 19 6
May 31, 2008 4 7
June 7, 2008 24 8
June 14, 2008 3 9
June 21, 2008 18 10
August 30, 2008 10 11
September 6, 2008 11 12
July 4, 2009 9 13