Year	% of GDP
2002	8.172911273835258
2003	7.53784441557312
2004	8.11726503546116
2005	7.8932427686057345
2006	8.17882206896914
2007	9.696979264798202
2008	10.555196360887651
2009	9.64778105021971
2010	10.00304013815497
2011	10.154692869105803
2012	11.082486348964803
2013	12.078852960329545
2014	14.626630888905288
2015	14.582878104903896
2016	14.825890552390907
2017	15.788718932731221
2018	17.052084547773678
2019	19.7320552262808
2020	17.885172776263257
2021	16.36493330167857