Year % 1993 65.07836 2000 13.39478 2001 11.58258 2002 70.50037 2003 10.13952 2005 56.16637 2006 56.65367 2008 54.55459 2009 35.89079 2010 34.02185 2011 31.69699 2012 32.14889 2013 33.20744 2014 32.88937 2015 33.47052 2016 34.84842 2018 32.33927 2019 35.1116 2020 35.23306 2021 33.59055