Year % of GDP 2009 23.922248017183122 2010 26.854817794187305 2011 20.037775519992238 2012 17.921314540013284 2013 40.30075595405388 2014 22.653187144798206 2015 20.20412887654737 2016 19.494716955236804 2017 22.424715843848237 2018 29.821997333265067 2021 160.49120991565556