Got to agree with Kingshark here, but I also favour Matt90′s picks and the general consensus as outlined above.
Personally I’d have 2 ratings: outright pace and total package.
Raikkonen: 2005 and 2007 (precursored by 2003, shadowed by comeback form)
Alonso: 2006 and 2012
Button: 2004 and 2011
Hamilton: 2007 and 2012
Vettel: 2011 and now 2013
2010 is such a close battle that no one appears dominant, perhaps it’s best remembered for Webber coming oh so close in the end. A nearly year for all the runners-up, while it begins the Vettel domination era.