Year	% of GDP
1960	19.04137918929993
1961	18.19891471999124
1962	16.88661897044855
1963	20.632057190791674
1964	17.445269903396763
1965	17.43746670549704
1966	17.46310049329133
1967	16.845208610324747
1968	17.83004597032162
1969	18.169828252274424
1970	19.786599482485467
1971	19.764752755035005
1972	20.615723689983135
1973	21.594988844017653
1974	24.76714309264022
1975	22.29725331824372
1976	22.22783475831478
1977	22.735790717519162
1978	22.431201158061747
1979	23.94879386922993
1980	25.263908723155765
1981	24.656030817984295
1982	23.56889893191875
1983	26.131650003693295
1984	26.526932442779472
1985	25.849124563419238
1986	24.647468492569203
1987	25.30752708328157
1988	28.67196506849921
1989	27.42233727090122
1990	27.87075556695941
1991	27.200657316343516
1992	28.298491303559324
1993	26.452894292782496
1994	27.07216616397858
1995	30.324195124523055
1996	30.952127733173796
1997	31.351689416713455
1998	31.791810823609524
1999	33.39509467545711
2000	34.94839918874188
2001	35.21276820209493
2002	37.65579459875935
2003	39.328454800186556
2004	41.2060535194975
2005	40.65847649550674
2006	41.2853235385946
2007	41.218846750422564
2008	42.83431431354359
2009	37.35407031588451
2010	39.65260463516079
2011	41.792882596075856
2012	41.95673646406535
2013	41.28273383364645
2014	40.743443095201854
2015	41.88290949236973
2016	42.06190395988875
2017	42.340135787209896
2018	46.03287168114391
2019	45.395639354263686
2020	45.28920642938551
2021	52.261598893371016
2022	55.22697379996474
2023	47.082612917814835