Year	% of GDP
1981	43.31976575744506
1982	44.40237949575767
1983	43.207210285022
1984	41.9561685880607
1985	38.459721807585645
1986	42.538810154878156
1987	43.85521187343667
1988	43.01895407373203
1989	43.10094774227944
1990	44.12053999272734
1991	44.88000748594795
1992	46.91811490238745
1993	47.484384633157426
1994	48.77446506405039
1995	46.80154861441946
1996	44.25630878178261
1997	44.5056414312262
1998	46.85919689117822
1999	48.59823169880178
2000	48.84350749905255
2001	48.407921543678206
2002	46.28265585155165
2003	48.54452361427634
2004	49.315374050018704
2005	48.55991458834045
2006	49.28010544791183
2007	48.471675910773016
2008	46.877505218822044
2009	50.94220215449056
2010	51.150783448280364
2011	50.332880949569194
2012	50.61771034698385
2013	51.061482830484714
2014	51.44114457888216
2015	53.70954461533304
2016	53.79062375787248
2017	52.71850868387209
2018	51.45210114686295
2019	50.49091787362927
2020	49.32316419652352
2021	47.78261242275539
2022	46.12479212598574
2023	44.38224034219376