George W. Bush got more of the Mormon vote than Mitt Romney did. Bush in 2004: 80 percent; Romney in 2012: 78 percent.
http://politicalwire.com/archives/2012/11/09/bush_had_more_mormon_support_than_romney.html
http://politicalwire.com/archives/2012/11/09/bush_had_more_mormon_support_than_romney.html