Year	% of GDP
1965	32.558139534883715
1966	32.84537968892955
1967	31.877192982456144
1968	33.009251999372744
1969	31.910809214412282
1970	18.395976707252515
1971	21.187017703132092
1972	23.32552693208431
1973	20.924172674368105
1974	28.96369039927639
1975	26.145629952911452
1976	25.726849456802896
1977	22.113235092841826
1978	22.984017069930353
1979	26.440793976728266
1980	23.99661064821353
1981	23.861124459394524
1982	21.197235867121805
1983	25.140699705368636
1984	24.533715925394546
1985	24.13262470968753
1986	19.480755265068993
1987	22.494493049419436
1988	21.0701337089809
1989	20.595626648870166
1990	20.020895549987518
1991	21.03368582069699
1992	22.2642968670198
1993	21.71929345972857
1994	21.70446066094171
1995	20.79487209561454
1996	23.51216544374105
1997	22.18633681145776
1998	21.977242976538115
1999	22.67322658161803
2000	22.720107089225166
2001	22.26047677846937
2002	20.03817489939576
2003	19.89981115646874
2004	20.772429419261815
2005	21.29278020587041
2006	21.56560203863083
2007	21.793059190406
2008	22.49535036871395
2009	21.351393727035372
2010	21.714476998581773
2011	17.039976707524442
2012	16.371921082937614
2013	14.499501878701142
2014	13.651851539395302
2015	11.290146566565184
2016	9.972934369782205
2017	8.926934708341706
2018	10.063397403388215
2019	9.371304963039465
2020	4.338497533936614
2021	5.346847542414731
2022	2.7504827848285998
2023	1.364071082648103