Year	% of GDP
1960	25.181821117945347
1961	19.992241246093094
1962	18.01820521888126
1963	19.265271889152118
1964	21.15335802018819
1965	23.276233501161666
1966	24.75532240202098
1967	22.57433330966471
1968	23.467027084686563
1969	24.955635104380196
1970	26.056943715294604
1971	24.52293679656108
1972	25.646498862014443
1973	27.829668335728066
1974	29.536842734750568
1975	27.86388852408308
1976	30.043489650044208
1977	30.19115823271214
1978	28.495755342585973
1979	30.122576830635282
1980	30.24652235325461
1981	31.86513187358638
1982	30.705914440623282
1983	28.783518696664956
1984	27.530018814059577
1985	28.30654151607705
1986	24.809874882777205
1987	25.75704280213949
1988	25.554314818415925
1989	24.63501849314139
1990	24.629070911207958
1991	23.18305057914962
1992	23.045828935800987
1993	23.423197858658106
1994	24.345687593601088
1995	24.781464900161527
1996	25.510831912037368
1997	25.408291269640614
1998	25.418097038065433
1999	23.43593453191228
2000	24.29528779894321
2001	24.692546000080544
2002	26.23821191517761
2003	27.38387231620379
2004	29.450449297872932
2005	30.19845496117447
2006	31.918161246115005
2007	32.7735327495289
2008	33.75599626294576
2009	32.79734885750412
2010	34.228501545998
2011	34.17222218707968
2012	33.833423398054805
2013	33.65381700656635
2014	33.538939741380254
2015	32.85089776304733
2016	32.29830438597199
2017	32.63523420612277
2018	33.41022656252876
2019	32.75954202926145
2020	33.23239804338488
2021	35.057312560574225
2022	34.87955509466469