Year	% of GDP
1960	22.2290970744483
1961	22.8225762278885
1962	19.8529362132365
1963	22.3222713374593
1964	22.6153793964509
1965	20.1234526494953
1966	19.4649446494465
1967	19.2808252193194
1968	18.0530546623794
1969	16.9245381274532
1970	16.2855263157895
1971	16.0687657039124
1972	15.5149758454106
1973	15.3153973509934
1974	15.0915542938254
1975	17.1739659367397
1976	19.871325568497
1977	20.706914893617
1978	19.8794755421079
1979	17.8772549019608
1980	15.5371809100305
1981	17.390068303489
1982	18.4723943660563
1983	19.0128878878879
1984	18.8373500260824
1985	20.7297074577668
1986	31.6795815197236
1987	27.067057934427
1988	16.2403641881639
1989	14.7339628829892
1990	15.6922572178478
1991	15.9967477559516
1992	15.7563111798042
1993	8.68569925009867
1994	7.69809438495053
1995	8.11238401817837
1996	7.54720320073863
1997	7.85771188315999
1998	9.73915311712025
1999	10.9017456703236
2000	4.78054525627045
2001	4.89742713469707
2002	2.86607439783363
2003	3.63584014174623
2004	2.93264923853734
2005	2.21035522374353
2006	2.01041976164635
2007	2.17001792231507
2008	3.2133016767847
2009	4.87224031469532
2010	5.97974007920069
2011	7.16938539992393
2012	7.41275433322396
2013	8.87867280525648
2014	11.1598525258918
2015	15.2272521698246
2016	17.9395649927598
2017	15.7845144454442
2018	13.0035781117488
2019	12.6399766846605
2020	15.5564359699613
2021	13.902630970771
2022	12.7664269281269
2023	13.7900478506587