Year	% of GDP
1960	13.573631160858882
1961	14.780044151673483
1962	11.672309611382817
1963	15.123993854436485
1964	14.985321076387386
1965	11.031939832277107
1966	13.152731578486133
1967	15.656165294160699
1968	15.043460629784628
1969	16.854340079935735
1970	16.092622673414063
1971	15.890770967410155
1972	14.75063850718442
1973	15.230336589345425
1974	18.474764884458114
1975	20.528055959498577
1976	17.054313824546618
1977	18.514755653084546
1978	16.231245273523754
1982	3.1617639046672785
1983	2.7328972748560614
1984	4.830397245395777
1985	7.3023724733220305
1986	8.13293998554757
1987	9.129483067848422
1988	7.035497302589183
1989	8.03107436981493
1990	6.753507456131475
1991	6.543070258736859
1992	7.4681139147071836
1993	9.759301851564084
1994	16.63991107123472
1995	13.192487603923054
1996	20.250160491002244
1997	19.484778858612206
1998	16.934220512857824
1999	13.691500595751616
2000	23.27390221937216
2001	40.25037691277946
2002	60.156173030128066
2003	52.121774323042935
2004	24.283871918330945
2005	20.704306730676805
2006	22.192880940822647
2007	22.315196622243704
2008	21.87902516444044
2009	30.231082049665524
2010	34.47905670389195
2011	28.472132715402804
2012	31.100264325905464
2013	29.252546920431037
2014	33.759711106036065
2015	28.4591562635156
2016	24.391798596256685
2017	21.293134691391373
2018	20.8675303023216
2019	21.413452583866565
2020	20.555101212264283
2021	18.97333761101078
2022	14.974042028831647
2023	25.75548139323236