Year % 2001 27.817022932019075 2002 23.227277060329747 2003 13.835409518078404 2004 13.001344350007292 2005 10.164532694941323 2006 14.096625842046944 2007 20.80007396281199 2008 2.7724606520327053 2009 15.054408744316591 2010 20.482919408861544 2011 13.67229688602828 2012 18.503503874987583 2013 17.465610998658534 2014 17.73257777104917 2015 17.991824259722065 2016 11.705855743330702 2017 14.923550536825926 2018 10.056931347643067 2019 7.0082263099748126 2020 8.748454323265523 2021 12.6679365165083 2022 1.3762359403130033