Year	% of GDP
1960	10.243474411468688
1961	9.69546401118119
1962	11.434490901730156
1963	12.01055021930133
1964	10.454564418282825
1965	10.616621983914209
1966	10.0989289640011
1967	13.252464971458226
1968	12.588341286620356
1969	14.194491043887655
1970	18.485590130363118
1971	17.944638880050906
1972	15.279503105590061
1973	16.863005149009204
1974	20.459153249850925
1975	25.38793221828568
1976	29.19775238455
1977	32.5093949076586
1978	25.4342386771585
1979	24.492690553325918
1980	30.353482652788394
1981	31.71888456732132
1982	33.42852202962263
1983	26.348559503654634
1984	31.112852302227818
1985	30.6779461220974
1986	27.482158293333704
1987	25.11699806309019
1988	24.443816471848553
1989	30.270813876602396
1990	31.06029453523029
1991	27.32216106416721
1992	27.710368590953394
1993	26.47419556073701
1994	25.66747298246507
1995	25.393942034946736
1996	24.471440611280656
1997	24.92166376733088
1998	24.99962004770304
1999	23.244856896267095
2000	23.806846304938368
2001	24.860371846559364
2002	24.41379929229438
2003	26.05060603908942
2004	27.898405025342687
2005	27.41681426430057
2006	27.952783100872463
2007	30.80388486486518
2008	35.51279580300569
2009	32.185274863395165
2010	31.49071663747739
2011	32.94624369226939
2012	32.17935443021578
2013	32.00462009237229
2014	30.774254234343264
2015	30.177188232467845
2016	31.95799127986409
2017	31.658071451264043
2018	32.1395672992051
2019	30.594933523466004
2020	28.776973423330794
2021	30.531478504809268
2022	30.30406914065848
2023	27.991429500529925