Year	% of GDP
1979	12.875040603891552
1980	18.113847492903066
1981	17.467665782864856
1982	20.450365432596488
1983	21.60668559134341
1984	29.04854263042866
1985	38.541778626361925
1986	36.42125240310705
1987	42.700017093357545
1988	44.49387155814068
1989	52.14013690294731
1990	23.137154878309442
1991	17.028998291904855
1992	16.518086341032184
1993	22.907417175358262
1994	23.414413224658876
1995	26.78799695240362
1996	25.727862332263342
1997	30.083226696341498
1998	22.812884011687323
1999	17.88741098810377
2000	26.710539035118185
2001	48.59970408099711
2002	151.5489305708669
2003	70.19047498702312
2004	31.379337111337087
2005	45.40070985947855
2009	14.281807984451724
2010	18.465336407323804
2011	20.68593475542476
2012	21.72807382663636
2013	20.365482913065936
2014	22.451985699349095
2015	23.7244420509296
2016	27.4386556207329
2017	35.467144399668335
2018	14.379261591655155
2019	16.504432807058276
2020	14.871526891399311
2021	14.901908150264893
2022	18.874268206268255
2023	15.145273470626938