Year	% of GDP
1975	10.029569247837427
1976	11.728183349017957
1977	13.495370370370372
1978	13.37928234829587
1979	11.63628083890938
1980	11.095885447984474
1981	10.890980048273189
1982	9.932877821940824
1983	8.54857701421801
1984	9.86544805480841
1985	14.085775984201263
1986	11.623716890388343
1987	12.095437179005387
1988	11.357449353756534
1989	10.291187310264482
1990	6.991686006033883
1991	8.559918740559446
1992	10.928700895265925
1993	12.247242176204734
1994	9.959352041430808
1995	15.65529768449869
1996	14.382469256326507
1997	13.960850299273117
1998	13.773870265419069
1999	13.613479282882505
2000	15.172284762627541
2001	11.664627276304381
2002	9.489666248043827
2003	8.561179811917576
2004	11.749242793186387
2005	11.555659759217662
2006	8.983078320215752
2007	9.817208498722911
2008	9.831096072128268
2009	9.433665670989363
2010	11.451400986272336
2011	7.125808476272022
2012	9.120621246865142
2013	8.178954193429002
2014	9.364704496077882
2015	7.625256692016741
2016	3.64284474773515
2017	12.98474282098138
2018	14.791600137442504
2019	15.303407286970458
2020	5.719357471442335
2021	6.372847143431755
2022	6.583712057798088
2023	7.407665075912825