Year % 1995 60.670083103100005 1996 66.20498251069719 1997 61.1852736974392 1998 43.3651483776185 1999 36.3305238124057 2000 65.40902198477781 2001 39.1167194854065 2002 11.4252321053627 2003 20.9723213796118 2004 25.244839530594298 2005 27.9078653910394 2006 35.763569143560495 2007 42.608805775630096 2008 56.9164357313934 2009 37.511748854161695 2010 36.4117709180952 2011 52.851515032490006 2012 33.9490445716262 2013 35.5000609897549 2014 34.2191387663494 2015 38.1998478909495 2016 35.0581920286093 2017 33.660000538076 2018 34.1147 2019 33.2375 2020 47.0053 2021 39.763 2022 44.4438