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	22.12670455235941
1968	22.904214628362958
1969	23.4478303802648
1970	24.22371808363625
1971	26.32034713823028
1972	27.301027019665778
1973	25.410800374996843
1974	22.644284213442
1975	22.464434032975774
1976	27.455165356406443
1977	29.264427047337048
1978	31.99024940600515
1979	34.25124193989986
1980	33.48115395288982
1981	33.13839622770971
1982	34.907316703044884
1983	35.663505697614916
1984	36.84149575649311
1985	37.85270231837999
1986	39.93531692684934
1987	41.00142920033012
1988	40.53934680420199
1989	40.51308488054331
1990	39.95094346224154
1991	40.714713657592085
1992	41.85850730109808
1993	42.840409982351076
1994	44.135110855998434
1995	42.18297505066467
1996	42.89133580036954
1997	45.32345185982869
1998	46.283380477066366
1999	48.043737726725055
2000	48.183537357728056
2001	51.657780079627294
2002	56.14608474455733
2003	57.220255005717966
2004	58.711954091414945
2005	59.91585222777177
2006	63.33474540994021
2007	67.18281659904406
2008	70.23325158540153
2009	72.61001052702223
2010	72.0612244056487
2011	72.7349713637674
2012	71.08115945803469
2013	72.10991028019697
2014	72.2533465695256
2015	72.58635539404355
2016	69.57765000974327
2017	69.66838698213435
2018	69.53141021296291
2019	72.08101698659324
2020	81.46327290551622
2021	77.07259143226621