Year	% of GDP
1976	75.07338616666475
1977	79.61529697082516
1978	80.52336563052106
1979	79.46669958384092
1980	88.33575983313483
1981	84.07710449769652
1982	83.52361518095788
1983	81.79457839307203
1984	80.2289791419619
1985	77.38508435823405
1986	70.46245220032495
1987	71.39037226246123
1988	72.96040547814906
1989	75.19718878188925
1990	75.96502694430562
1991	74.51625884967709
1992	73.19197819305836
1993	74.4981703863735
1994	75.9377377052688
1995	75.82293316601078
1996	74.99821745331488
1997	74.4883827965138
1998	74.05594677462933
1999	75.36659088354197
2000	73.15656889290753
2001	72.10380078680454
2002	73.56393899793497
2003	73.43602104747193
2004	76.40038162356657
2005	81.43319996918912
2006	80.87405213801769
2007	78.85984538284008
2008	84.72387371857563
2009	87.17078654766311
2010	87.0092253139237
2011	86.84911703417845
2012	87.6065182920569
2013	87.6135035809767
2014	87.27916253487564
2015	86.76045764676815
2016	86.07367856664135
2017	86.46261797864489
2018	87.0218199489248
2019	88.12203675787138
2020	90.20437806600516
2021	90.33451891889635
2022	86.13973536136584
2023	81.82127852844329