2011-12
December/January (3.6)
November (3.5)
October (3.4)
September (3.3)
August (3.2)
July (3.1)
2010-11
May/June (2.10)
April (2.9)
March (2.8)
February (2.7)
December/January (2.6)
November (2.5)
October (2.4)
September (2.3)
August (2.2)
July (2.1)
2009-10
May/June (1.8)
April 10 (1.7)
March 10 (1.6)
February 10 (1.5)
December 09/January 10 (1.4)
November 2009 (1.3)
October 2009 (1.2)
September 2009 (1.1)
