Year	% of GDP
1960	15.741033168519778
1961	16.301184502832587
1962	14.940956221198157
1963	12.988882397270132
1964	16.277087162242644
1965	18.303571428571427
1966	17.2581056931325
1967	17.58479672840991
1968	19.20947741364039
1969	24.71038581646016
1970	23.876646495527634
1971	25.41328758577667
1972	28.913904523660623
1973	31.573579859294142
1974	30.854344201556135
1975	28.817144624563323
1976	27.269434329826225
1977	22.045933792977486
1978	20.303392189666823
1979	20.47984671822791
1980	20.665647063753116
1981	25.283235033635453
1982	31.37664156477164
1983	33.64714245771403
1984	29.067490069295083
1985	25.33485432668839
1986	24.19109979104859
1987	27.70766885326813
1988	31.74552614085365
1989	35.61141840689378
1990	31.55240176640104
1991	28.883440711650323
1992	23.185358786868175
1993	20.858003860833175
1994	19.57969823118241
1995	21.334035336667416
1996	19.9013557629947
1997	18.46488454904018
1998	23.367384765795272
1999	23.858526667089357
2000	25.564360134232693
2001	12.95205935832291
2002	14.723834195790078
2003	18.352162311068668
2004	20.00582612368528
2005	20.978075644460183
2006	23.439078150180535
2007	27.306685734029486
2008	30.19132402420587
2009	28.60347586680772
2010	26.405664822720016
2011	26.795738299769
2012	28.98832874473224
2013	29.76976878645007
2014	29.322951054638324
2015	30.02946579364539
2016	32.018054146140635
2017	40.64729619983118
2018	43.033106692039915
2019	48.19296070829351
2020	56.74115505272537
2021	54.35777468368791
2022	50.693650087887754
2023	49.046797092242514