Year % 1993 26.03093 1998 36 1999 18.19923 2000 25.73416 2002 22.92746 2003 23.14335 2004 24.2228 2005 23.89532 2006 18.42007 2007 44.80568 2008 29.09543 2009 45.96413 2010 48.29414 2011 51.06639 2012 24.60198 2013 43.44024 2014 48.11121 2015 47.64338 2016 47.42036 2018 28.52165 2019 26.6456 2020 29.7841 2021 35.54618