Year	% of GDP
1965	14.772175536881418
1966	15.828085106382977
1967	16.34618794326241
1968	19.12125748502994
1969	17.415064102564102
1970	19.095446584938706
1971	18.49587118084228
1972	17.00958806818182
1973	19.126410835214447
1974	20.814363494944256
1975	26.524202798807067
1976	31.248942172073342
1977	28.487108922363845
1978	39.4514019866717
1979	45.19206106870229
1980	46.49703837239248
1981	47.61390307883474
1982	51.08690382401066
1983	55.595880443300125
1984	59.35644342043253
1985	60.55998173145235
1986	57.644008033921004
1987	59.03292954913194
1988	62.20403472931563
1989	64.5233560090703
1990	62.15385172576147
1991	62.23718728870858
1992	55.7748725902947
1993	60.51251158480074
1994	64.35154797695822
1995	68.7004687466859
1996	69.19964980861634
1997	69.82255270278162
1998	68.9581090234946
1999	71.18257965145457
2000	71.86723790154534
2001	75.49381649040653
2002	72.52575802178393
2003	70.59360604258028
2004	74.47255558714112
2005	87.88787308416241
2006	91.60275024823426
2007	91.48516647020517
2008	78.31646770802972
2009	73.21093483991291
2010	71.15634201109047
2011	71.73254146656808
2012	71.19989481285283
2013	70.44289248682252
2014	66.57819448232036
2015	66.62631070246799
2016	70.87225408392015
2017	74.41549706556833
2018	75.54723746813315
2019	76.8276755595563
2020	83.06197803119463
2021	81.89445645188056
2022	84.34988840800902
2023	82.17778709624423