Year % 2001 50.69687 2002 47.09122 2003 54.92736 2004 52.19241 2005 55.76334 2006 43.97889 2007 47.2093 2008 47.2093 2009 47.2093 2010 48.38359 2011 49.89496 2012 50.01241 2013 53.51379 2014 51.82974 2015 37.57843 2016 39.28571 2017 59.67977 2018 62.16216 2019 53.34655 2020 38.12019 2021 39.08755