Year % (national estimate) 2001 49.411 2002 48.948 2003 56.135 2004 48.249 2005 46.458 2006 45.674 2007 41.738 2008 41.998 2009 39.758 2010 39.43 2011 40.302 2012 40.162 2013 42.375 2014 41.993 2015 41.401 2016 42.058 2017 40.923 2018 39.907 2019 41.404 2020 58.149 2021 27.062 2022 33.427