Why do you compare with non-equivalent time periods in your 2.0 comparison?
2007 - (Jan 7th to May 26th)
2008 - (Jan 6th to May 24th)
2009 - (Jan 3rd to May 9th)
The periods u picked for 2007 and 2008 are two weeks longer (while in your old comparison table all three years matched)







