Year	% of GDP
1981	31.001354406909098
1982	30.890190074475814
1983	31.12952637703612
1984	29.738119202516206
1985	32.353921134268674
1986	33.4573726941255
1987	35.14853870040151
1988	38.02315020013206
1989	36.18747288906993
1990	36.17111239739029
1991	38.59020901250776
1992	35.70131963766519
1993	33.724156919694224
1994	33.60781527660892
1995	34.32895688959786
1996	33.34963546399689
1997	34.05798870586218
1998	34.016596253253454
1999	30.945198066020424
2000	28.355043750707935
2001	28.307960443713853
2002	27.957426272976544
2003	27.267609743640346
2004	25.402937793139564
2005	25.36651146844185
2006	25.29356255455176
2007	25.84053502345388
2008	26.191768568022
2009	27.95601683410339
2010	25.758376465311372
2011	24.529612252843876
2012	27.186015141610454
2013	25.910646362842098
2014	26.302881446736976
2015	26.430173521653728
2016	26.50054708956322
2017	27.138273583388084
2018	26.38034715471223
2019	26.706632256908613
2020	27.749221933200367
2021	26.296159708809082
2022	25.470292404342988
2023	24.424454920850604