Year	% of GDP
1960	23.537940335988406
1961	22.663079535608517
1962	23.16896042145305
1963	22.79894685654327
1964	21.84002903464113
1965	22.808618678482997
1966	23.616224585909787
1967	22.126704552359413
1968	22.90421462836296
1969	23.447830380264804
1970	24.223718083636246
1971	26.32034713823028
1972	27.301027019665778
1973	25.410800374996843
1974	22.644284213442
1975	22.464434032975774
1976	27.455165356406447
1977	29.264427047337048
1978	31.990249406005145
1979	34.25124193989986
1980	33.48115395288983
1981	33.13839622770971
1982	34.90731670304488
1983	35.663505697614916
1984	36.8414957564931
1985	37.85270231837999
1986	39.93531692684933
1987	41.00142920033012
1988	40.539346804202
1989	40.51308488054331
1990	39.95094346224155
1991	40.71471365759209
1992	41.85850730109807
1993	42.84040998235108
1994	44.13511085599842
1995	42.182975050664666
1996	42.89133580036954
1997	45.32345185982869
1998	46.28338047706636
1999	48.04373772672505
2000	48.183537357728056
2001	51.65778007962729
2002	56.14608474455733
2003	57.220255005717995
2004	58.711954091414945
2005	59.91585222777177
2006	63.33474540994021
2007	67.18281659904407
2008	70.23325158540152
2009	72.61001052702223
2010	72.06122440564869
2011	72.73497136376739
2012	71.0811594580347
2013	72.10991028019697
2014	72.2533465695256
2015	72.58635539404355
2016	69.57765000974325
2017	69.66838698213435
2018	69.53141021296292
2019	72.08101698659323
2020	81.46327290551622
2021	77.07259143226622