Year	% of GDP
1977	12.292656304478768
1978	18.01871027200985
1979	26.592788594828864
1980	28.650118915802793
1981	24.668008047507143
1982	27.104449956756437
1983	22.222153630919916
1984	22.27953158785584
1985	24.337461861310523
1986	14.80591995818017
1987	15.309599954656669
1988	14.897443804701785
1989	17.045878639357905
1990	13.054045869749151
1991	13.957281203546287
1992	13.090892305614036
1993	13.34947559502889
1994	16.76548060872359
1995	16.38927606966413
1996	16.25847042388784
1997	18.256757980132342
1998	17.75142608580845
1999	18.396232533546243
2000	17.319379461168936
2001	16.66479750932513
2002	16.951753375854
2003	16.801108802869898
2004	17.837255694833797
2005	19.742073426791375
2006	23.32665636559845
2007	24.1164184752208
2008	22.751176865831333
2009	20.920441917375154
2010	22.446143370597444
2011	23.700102854868444
2012	22.865850947450994
2013	22.479795896284145
2014	21.211497178690312
2015	20.628195249469623
2016	20.374234479675533
2017	20.590616259375636
2018	20.400871735452164
2019	20.712807799967333
2020	19.880104144597247
2021	20.18064835813958
2022	18.316176488866855
2023	19.49482976937869