Year	% of GDP
1960	1.67894619334673
1961	2.22495894909688
1962	2.51360991177023
1963	5.24232914923291
1964	6.50471917066378
1965	6.36768802228412
1966	6.86666666666667
1967	6.66889408620114
1968	7.53237833594976
1969	7.88391886997465
1970	8.78165866578381
1971	9.11339889366933
1972	10.1315789473684
1973	10.9951725229503
1974	10.5315756912388
1975	11.6752566607091
1976	13.6658313059067
1977	15.8746380514393
1978	17.3146990771522
1979	17.8810553153752
1980	17.0894630225883
1981	16.6649827297528
1982	27.0854956169353
1983	17.1390487746545
1984	14.2952847288849
1985	19.0410810615329
1986	12.8256195646259
1987	15.3989109009712
1988	17.1384940623391
1989	20.7115138348125
1990	24.0255607234869
1991	28.6601674106482
1992	36.3046144350101
1993	45.4982377364528
1994	49.9360590122096
1995	48.2018453881021
1996	52.7372304538668
1997	58.2754233787146
1998	64.0518430826259
1999	64.4499926981327
2000	58.7218026947676
2001	53.5566000288069
2002	51.001676850074
2003	47.880519858362
2004	42.6507012903778
2005	39.7951588996808
2006	35.1778876648113
2007	34.3464279647996
2008	31.4948343659664
2009	34.0214297799199
2010	36.029022193555
2011	36.7535059221777
2012	38.9658038429773
2013	40.9310950343345
2014	43.7497193000006
2015	51.4488724591572
2016	57.4086457676424
2017	58.6184409943725
2018	62.6284139697086
2019	65.8397043023339
2020	80.1679523323782
2021	75.9954267758969
2022	74.1868372607257