Year % of GDP 2007 10.245752105653686 2008 7.770588520510051 2009 6.485914487447326 2010 4.048952250755089 2011 10.009578939886095 2012 2.9447281345454623 2013 4.255252978159938 2014 4.248715709603998 2015 5.908671338398216 2016 5.787811711059594 2017 6.552006609921729 2018 8.040761786863717 2019 8.286464104095723 2020 6.533014140024189 2021 7.2901754232198455 2022 7.256138019050631