Year % 1994 65.2018 1996 57.60728 1997 68.71463 1998 28.61762 2000 47.2 2001 34.20911 2003 52.41206 2006 34.83029 2008 40.58577 2009 48.21333 2010 44.94477 2011 37.52656 2012 44.64075 2013 28.68884 2014 29.40331 2015 29.59513 2016 34.89362 2019 22.46154 2020 36.25033 2021 36.6522