Year	% of GDP
1960	3.671071953010279
1961	6.815020862308763
1962	7.970112079701121
1963	6.974248927038626
1964	5.467196819085487
1965	5.385329619312906
1966	5.673758865248227
1967	4.971590909090909
1968	5.079365079365079
1969	4.737442922374429
1970	6.361323155216285
1971	8.24742268041237
1972	8.543756485645106
1973	9.093406593406593
1974	11.27470754336426
1975	11.231771641327954
1976	10.66569484936832
1977	10.707185458676511
1978	7.288703457867121
1979	5.881717720744393
1980	11.927885902190953
1981	12.904695608150869
1982	15.01686967461543
1983	16.557839175020494
1984	19.673502416227592
1985	18.96624923423231
1986	16.1020217583248
1987	17.757444604593832
1988	17.552863427600805
1989	17.780752485770304
1990	17.57789264850524
1991	16.63488155927892
1992	17.345129910515034
1993	19.343284925613833
1994	20.383721133728415
1995	24.351027247677447
1996	27.826656749419588
1997	30.388605888097093
1998	19.7291807164624
1999	18.854009513950736
2000	22.473238134395324
2001	22.689533263456553
2002	22.877275032315378
2003	23.218919731138786
2004	25.201084939870412
2005	24.266089492252945
2006	26.368037128366524
2007	25.96129105457136
2008	26.981962968909468
2009	23.416867800809708
2010	25.500331910755964
2011	30.310474382006543
2012	28.46992713586161
2013	28.734289294732086
2014	28.56075946884899
2015	26.557266261845996
2016	25.244677102771014
2017	29.722746405575514
2018	31.381518614174436
2019	30.119075614721353
2020	32.22296523489433
2021	35.33874657497056
2022	42.585927452554586
2023	34.69412487654985