Year	% of GDP
1960	19.15792918750424
1961	23.427662212157006
1962	31.701807917526526
1963	34.91629142430019
1964	37.91902134453093
1965	28.68525896414343
1966	26.59380692167577
1967	23.40823970037453
1968	19.649122807017545
1969	16.334661354581673
1970	23.11223470661673
1971	19.89077868852459
1972	21.380053191489363
1973	20.14383116883117
1974	23.847216035634744
1975	18.57579737335835
1976	22.19409282700422
1977	26.928895612708022
1978	47.90681971640783
1979	42.69241856442779
1980	40.65291037881121
1981	31.04412058295069
1982	30.18845297241734
1983	32.778406335865526
1984	28.70459218642906
1985	26.218068535825545
1986	19.955178797622526
1987	14.857479189439166
1988	23.549227737875803
1989	23.930406831687996
1990	15.1140507517966
1991	15.649398837239643
1992	19.718061468661805
1993	18.056592490554504
1994	17.3544582821523
1995	16.023032143169637
1996	17.03251454686368
1997	17.21750635593981
1998	19.103881802330918
1999	16.67688858810591
2000	23.53978180018039
2001	23.69216593828968
2002	21.411445438326965
2003	19.28869007073076
2004	19.37128698805767
2005	17.351692793324837
2006	16.47375372702135
2007	16.039270308786374
2008	15.697902042272913
2009	15.380769760684728
2010	14.481769906922953
2011	12.895888456166041
2012	11.824547887038527
2013	12.221315916983903
2014	12.595023429491484
2015	12.51467245543789
2016	12.83995746758918
2017	12.830708403685886
2018	13.245867774296519
2019	13.569576922274734
2020	12.263012990069114
2021	13.625556498365407
2022	11.78760222332994