Year % of GDP 2007 10.016911283014926 2008 9.00311065143971 2009 14.73583512050745 2010 13.877874978432612 2011 10.322583196296053 2012 10.921567421419258 2013 13.923862182008891 2014 13.106107385988766 2015 16.31996009234324 2016 16.33079931268286 2017 15.536197184678702 2018 18.68071928126149 2019 18.282360289848366 2020 20.5996327686466 2021 21.57734180905684 2022 20.278695125189643 2023 19.425903138202717