Year	% of GDP
1960	20.16920245398773
1961	19.02774011299435
1962	18.677842105263156
1963	18.27372641509434
1964	17.486494023904385
1965	17.15692307692308
1966	16.48486842105263
1967	15.877198795180721
1968	16.39158038147139
1969	16.817463054187193
1970	17.412297297297297
1971	16.35969387755102
1972	16.89008849557522
1973	17.87681620839363
1974	18.98111111111111
1975	16.514545454545456
1976	18.357075127644055
1977	20.54128718226068
1978	21.51074026529739
1979	23.64011734028683
1980	22.4346196504217
1981	22.11727494359347
1982	24.134013621743424
1983	27.096102035862202
1984	25.672417344643417
1985	24.331292389665936
1986	29.606222589978742
1987	31.26232084278497
1988	38.79033694790311
1989	38.329650077447155
1990	38.51969641332968
1991	35.786535157419564
1992	35.55349590411202
1993	26.163123557830843
1994	29.15847213415817
1995	43.6658317263397
1996	47.76782353390672
1997	46.4918755715735
1998	48.031884140017894
1999	48.01224957611051
2000	49.910409194362934
2001	44.740109006301516
2002	45.20982925387645
2003	48.70041688083802
2004	52.040620033563165
2005	52.56264465178858
2006	54.48211608861695
2007	55.25852439444983
2008	56.36528188625734
2009	54.59174213135025
2010	59.27338452938514
2011	62.16238727644977
2012	64.25793189001133
2013	62.69167477358071
2014	64.09840903512153
2015	70.41297467626399
2016	75.69030340885506
2017	76.95212604072537
2018	80.21266165689752
2019	77.39639728158943
2020	76.87026232562346
2021	83.29070269352931
2022	88.44847606848192
2023	74.12263896501116