Year	% of GDP
1960	15.126047369536666
1961	13.934424402042703
1962	13.599999129600054
1963	12.5
1964	18.461539313609507
1965	21.50537923459398
1966	26.50055309292888
1967	21.30859624244966
1968	21.486641191872582
1969	20.137780895082706
1970	24.55661597389861
1971	24.668931235608298
1972	21.910441300808507
1973	23.04415668213757
1974	30.474123231827583
1975	24.6562335135378
1976	29.1648571135159
1977	28.795261966788328
1978	28.706789715173585
1979	27.94438916317193
1980	25.1042895642348
1981	25.940567175803707
1982	26.789968945929253
1983	27.03273336410233
1984	26.64712822923658
1985	25.0054450872928
1986	27.66478347971862
1987	21.59974709731922
1988	19.95414148569968
1989	17.505033059411176
1990	15.60670672981788
1991	20.87256489851108
1992	17.44678640090691
1993	20.18741108020041
1994	36.75512632609958
1995	22.419181283890364
1996	23.00455589575797
1997	20.79329726492834
1998	17.34240426512471
1999	14.510163087614472
2000	12.71245501836972
2001	18.66164677428982
2002	15.920616711428787
2003	15.059132732678398
2004	16.07408834041995
2005	20.314812651729156
2006	22.23036229791123
2007	23.28947329415173
2008	27.838626666139472
2009	27.191934685997047
2010	28.213364707331717
2011	36.35485322248079
2012	37.76733842050766
2013	38.42728870976354
2014	38.7548620082375
2015	35.86243441831441
2016	34.32900048733698
2017	35.11356582994487
2018	37.20725786877092
2019	37.68370860178641
2020	38.82297539426813
2021	39.98453277214093
2022	42.65493698828791
2023	45.227015418883376