Year Percent 2000 59 2001 64 2002 68 2003 130 2005 67 2006 71 2007 66 2008 69 2009 69 2010 67 2011 71 2012 90 2013 84 2014 74 2015 74 2016 75 2017 73 2018 75 2019 75 2020 55