Year	% of GDP
1960	5.64840490797546
1961	5.714858757062147
1962	6.270315789473684
1963	6.510424528301886
1964	6.398007968127491
1965	6.285457875457875
1966	6.505526315789474
1967	6.570090361445784
1968	6.841634877384196
1969	6.876921182266011
1970	7.261981981981982
1971	7.61865306122449
1972	8.626424778761061
1973	9.178972503617945
1974	9.1409
1975	10.317554545454545
1976	11.007746170678336
1977	10.76081124932396
1978	10.919858793324776
1979	10.896867666232072
1980	9.510917195311178
1981	10.200952798272308
1982	9.852576698721322
1983	8.391157111265285
1984	8.80251316670849
1985	8.7214630318366
1986	8.75656475980654
1987	8.358128281834338
1988	8.484909396828556
1989	8.327433390613011
1990	8.430745096664001
1991	9.115903462759839
1992	9.942874521104553
1993	8.577349832777669
1994	8.97501349673226
1995	8.040993724367354
1996	7.665138045994177
1997	7.8505121151520765
1998	8.03111070015044
1999	8.689186186907264
2000	9.037016015745927
2001	9.355310596646655
2002	9.838122456727623
2003	10.498040368237293
2004	10.016181846058474
2005	10.076229985112077
2006	9.892142696640288
2007	9.94789283371053
2008	10.259237501033539
2009	11.383443857677733
2010	11.273964924947636
2011	11.32824628167939
2012	11.448676536868081
2013	11.71273207925456
2014	11.753892914372667
2015	11.901246126140974
2016	11.573680491190366
2017	11.215667551411222
2018	11.256296772473009
2019	11.098499659694502
2020	12.199358749449793
2021	11.435130399940162
2022	10.977106162279597
2023	11.013411209705584