Year % 2001 11.425605689107377 2002 11.331417191495044 2003 12.000616268593891 2004 31.816230739213346 2005 21.000304651547726 2006 31.125656893962944 2007 17.369748916868353 2008 11.833936645312585 2009 7.775674028545796 2010 10.250970356543 2011 12.057994405878217 2012 10.058317285359713 2013 7.223021848572678 2014 7.509675757494308 2015 12.822247693867608 2016 37.93715649377395 2017 30.52960151546049 2018 26.577829127815022 2019 23.408234687965294 2020 26.19861019862982 2021 28.15264600154964 2022 27.760016092406353 2023 29.323026804725515