Year % 2001 16.692656658120217 2002 29.822458818906977 2003 12.631129590065033 2004 10.196916717984177 2005 13.725751071555633 2006 26.138979078391895 2007 14.225638906814316 2008 7.891719483906276 2009 9.181181760204582 2010 12.704681237772936 2011 8.533345827804833 2012 8.840036516538682 2013 8.5087131661428 2014 7.5828600497892875 2015 10.685645861482739 2016 12.12583988830893 2017 13.444524679294656 2018 11.583737178780588 2019 14.629217842628048 2020 14.217479338207314 2021 19.31247254962183 2022 17.302971026241906 2023 15.693079030866466