Year % of GDP 2007 26.837473357258197 2008 32.67403483143643 2009 32.94851971936353 2010 43.71949499547709 2011 30.749726081791408 2012 31.028879944676635 2013 37.923772442418645 2014 41.30512327789846 2015 49.78292334541119 2016 47.041200435075666 2017 41.73115475299769 2018 40.464602977517984 2019 39.51909963260398 2020 44.93830692354446 2021 40.7240198819532