Year	% of GDP
1980	9.528118171796232
1981	11.337571954763359
1982	14.202298742634062
1983	14.981491934608455
1984	17.03111143785294
1985	19.304630028462597
1986	22.49831538852358
1987	23.751110626846202
1988	28.68587127246933
1989	36.39752919974136
1990	50.95369463366551
1991	51.50432929933674
1992	49.45312244477835
1993	48.90383102701896
1994	51.88403423476079
1995	53.47842894202842
1996	55.428602544651575
1997	60.81624251747423
1998	53.21016349927047
1999	20.48099736335666
2000	19.449312724358183
2001	18.155699735531687
2002	19.341929015024096
2003	21.189378065353758
2004	24.722073405861472
2005	25.539357838792903
2006	23.868020233217564
2007	25.16344943469998
2008	26.296429541538725
2009	24.894773143728827
2010	24.356498927737867
2011	26.8785415281316
2012	29.888026431391072
2013	32.3703350083152
2014	32.9313976543609
2015	33.09172889194341
2016	33.12695827571802
2017	32.41745701254962
2018	32.739832886746434
2019	32.47411867857336
2020	33.14895804915114
2021	32.0107062631733
2022	30.560387791513914
2023	31.284489831579144