Year % 2001 22.486058666698327 2002 40.868772252575155 2003 39.92884495807366 2004 31.490926862891893 2005 24.03128892353775 2006 17.96504975479043 2007 12.258527130394853 2008 11.834350770868296 2009 15.22474488453327 2010 15.407551838564668 2011 14.409524643263591 2012 13.801503655419832 2013 22.282372135792755 2014 22.27263092114862 2015 27.213696529328075 2016 37.47611757328558 2017 63.97456291970213 2018 60.934179121662204 2019 61.29653138436889 2020 55.81675449848685 2021 52.72175856422745 2022 42.48502471731406 2023 50.45574430674116