Men Women
3/21/2005 6% 4%
12/8/2005 10% 8%
8/31/2006 13% 10%
5/11/2008 21% 22%
8/10/2008 25% 27%
8/31/2008 25% 24%
12/4/2008 26% 29%
12/20/2008 25% 26%
4/19/2009 33% 38%
9/14/2009 36% 37%
12/27/2009 38% 45%
1/19/2010 39% 46%
5/30/2010 44% 52%
9/13/2010 42% 49%
11/24/2010 39% 50%
11/28/2010 42% 50%
12/21/2010 44% 50%
5/22/2011 47% 54%
8/26/2011 50% 50%
2/19/2012 50% 56%
8/7/2012 54% 64%
12/9/2012 50% 58%
5/19/2013 59% 63%
7/14/2013 57% 62%
9/30/2013 60% 66%
1/26/2014 60% 63%
7/12/2015 62% 68%
11/6/2016 66% 72%
1/10/2018 65% 73%
2/7/2019 65% 78%