Year % 1994 45.49059 2000 0 2001 0 2002 0 2003 0 2004 0 2005 42.23725 2006 39.40337 2007 41.07914 2008 42.37517 2009 43.43268 2010 46.36124 2011 46.6708 2012 46.17647 2013 44.76191 2014 45.14954 2015 43.41184 2016 42.94505 2018 53.36323 2019 53.83301 2020 56.6359 2021 56.6359