Year	% of GDP
1960	6.4162757341841505
1961	5.756981711448379
1962	6.297808784133207
1963	7.253227459074561
1964	7.3089264076815175
1965	7.134272149344768
1966	7.423341686649555
1967	7.722777043007975
1968	8.109156326169359
1969	8.400147126391733
1970	9.539818355250885
1971	10.14101516791304
1972	10.455960052278444
1973	10.835523453222281
1974	12.00835659955145
1975	13.036623871381037
1976	12.942358874302277
1977	13.861839994457327
1978	14.826085514979113
1979	15.651185297578614
1980	15.895689298152028
1981	15.291269507491004
1982	15.536032016812971
1983	14.538365505239055
1984	12.794728528052284
1985	12.433216798964162
1986	13.771383925721304
1987	14.895967260756072
1988	13.601252156976367
1989	12.953111424551848
1990	12.799491983997207
1991	11.48953231913544
1992	11.943065682554298
1993	11.296359732082502
1994	10.140359800156567
1995	13.408344319454162
1996	13.407849677419215
1997	13.185585032802287
1998	14.755344120232525
1999	15.238418124864637
2000	13.392963095404895
2001	11.24058486295165
2002	10.881385102223131
2003	11.00073795388494
2004	10.892063235205137
2005	11.407666495258297
2006	12.112361096316826
2007	12.780279323891984
2008	13.197861291428655
2009	13.875147134131328
2010	14.027411125065763
2011	14.457813368586407
2012	15.668911064756832
2013	16.07705103389804
2014	16.872946332935143
2015	18.473672921364628
2016	19.296736352311918
2017	19.18073550133694
2018	19.268455145367994
2019	19.363432882104668
2020	20.629776953691998
2021	20.74072576294106
2022	22.49143115862788