May 12, 2016

Year Men Women
2001 32% 38%
 2003 28% 36%
2004 28% 34%
2005 34% 39%
2006 31% 39%
2007 32% 41%
2008 34% 43%
2009 32% 41%
2010 38% 46%
2011 41% 51%
2012 44% 52%
2013 46% 53%
2014 49% 55%
2015 53% 58%
2016 52% 58%

Pew Research Center