Year	% of GDP
1960	11.280303029235032
1961	11.446460234051415
1962	11.757959253964682
1963	11.789044423989072
1964	12.894954587591652
1965	12.491999333780369
1966	12.617257992892622
1967	13.034443695288708
1968	14.004422889078892
1969	14.392548859407148
1970	12.798791290046625
1971	12.996988226461799
1972	13.550026515847694
1973	14.177780826686888
1974	15.205438018494037
1975	18.020770325111105
1976	20.20881901877206
1977	22.44018455677276
1978	21.49515311447596
1979	21.894331475462685
1980	25.093585115966953
1981	12.884107180850547
1982	13.172894226924193
1983	14.186775383245413
1984	15.319351614324635
1985	15.336097641262674
1986	16.377193027380056
1987	16.288060000615168
1988	16.67832167697787
1989	15.984235155036018
1990	16.388743849746632
1991	16.542938135316675
1992	17.1510237737126
1993	16.55223011432813
1994	16.17085701403906
1995	12.534091186273677
1996	10.903801031719771
1997	11.300774117095967
1998	12.048428507531428
1999	14.447960720735754
2000	15.255727533828772
2001	15.659732334402197
2002	15.105867150248821
2003	14.893433609025474
2004	14.160451594676484
2005	13.633961328181497
2006	13.941446406219557
2007	19.020863957200557
2008	21.7616673080352
2009	23.46540505795409
2010	21.811399795611567
2011	22.822295249639375
2012	24.384770002279666
2013	24.57047659965926
2014	23.238843758103844
2015	23.57730276019613
2016	26.93754575944777
2017	25.381941231418264
2018	25.975667288029133
2019	25.64962129016548
2020	28.397776480053466
2021	29.389746420858227
2022	29.639048130026