Year % 2001 47.8278 2002 55.51239 2003 49.292 2005 52.03172 2006 45.50425 2007 53.59258 2008 46.67371 2009 35.41391 2010 32.20697 2011 46.62091 2012 32.20697 2014 36.62176 2016 34.87728 2018 44.44444 2020 44.4217 2021 46.43888