Year	% of GDP
1960	25.12493710320739
1961	19.3889305462767
1962	17.061164311750233
1963	19.134189308912163
1964	20.49255502736599
1965	21.802645101676337
1966	22.355291772664863
1967	20.590962371622147
1968	20.944234368136392
1969	21.03429649881934
1970	24.45035614689888
1971	24.847000477176074
1972	24.32712903963931
1973	24.95720258535262
1974	25.58550878767887
1975	27.02309806290269
1976	26.952468261760533
1977	28.319492604485347
1978	27.69561469155098
1979	25.655706648960013
1980	26.579901880570826
1981	25.958627926061578
1982	24.331682099449235
1983	23.747465071753496
1984	24.00339888455203
1985	24.399367552894283
1986	24.32879277655032
1987	23.956927398826096
1988	25.371377362093227
1989	26.39266633321749
1990	26.54675679465111
1991	25.880085095510243
1992	26.555699706086738
1993	26.0266388464698
1994	26.210553221380827
1995	25.39463412650277
1996	24.797450096405875
1997	24.447494916327095
1998	23.632608194138154
1999	24.082571431574344
2000	24.015301464964047
2001	24.856017038127863
2002	25.01871313164097
2003	26.390616882874095
2004	27.85321527418119
2005	27.487780090929466
2006	28.081890815998012
2007	29.613452242668338
2008	30.685513545904847
2009	30.747030979191898
2010	31.917749109165143
2011	32.49884534600932
2012	32.65488715409193
2013	32.64859303423422
2014	32.674931806447375
2015	32.42253397149351
2016	32.01817816477694
2017	32.394311076688446
2018	33.30369151750485
2019	32.70686411537482
2020	33.038426193550265
2021	34.07952980933109
2022	33.732154013519185