Year	% of GDP
2002	18.82275218294074
2003	16.923866234169584
2004	17.554006257016123
2005	16.59821221925955
2006	16.38553719720168
2007	17.747309525587596
2008	17.839116298999986
2009	13.149876609409969
2010	12.522576843290661
2011	13.779189242992897
2012	12.486085136395296
2013	11.499867256190493
2014	11.47758755580297
2015	11.420006004901245
2016	4.114196612834704
2017	3.5304224614667636
2018	6.160177216502386
2019	7.043181080925083
2020	7.528114629249116
2021	8.49315681616916
2022	10.190261959840772
