Year	% of GDP
1960	38.26600700969704
1961	38.47785657313932
1962	38.65131321075164
1963	36.880832676958136
1964	36.64912938713684
1965	41.1530581609629
1966	40.71463370467949
1967	42.17703329390301
1968	43.33303671206451
1969	43.15688091171908
1970	44.54656487445648
1971	40.78715677302752
1972	40.915316978069995
1973	39.79468328791817
1974	41.70642412832344
1975	40.39885722328048
1976	38.74915255293403
1977	43.906151726078264
1978	42.77554543729366
1979	47.022013519702725
1980	48.466142560468704
1981	48.44831109942038
1982	50.48553509198652
1983	49.862953920162475
1984	49.42898335467753
1985	43.21610469442434
1986	45.03135823333576
1987	45.94705325131396
1988	45.31412948342729
1989	45.85113302524384
1990	47.592597373906855
1991	46.35862273865817
1992	46.40653948969622
1993	46.27760425811467
1994	39.39365712624453
1995	39.532823713261024
1996	37.47487216631371
1997	38.33332469708432
1998	37.98751930587088
1999	43.95128395985665
2000	47.7431323544295
2001	46.3932165940742
2002	46.599634291024536
2003	44.914476273216415
2004	46.477636399165306
2005	44.54948913256438
2006	47.13852822665098
2007	48.17893413086358
2008	45.06735209828967
2009	45.889730891061
2010	42.120724852488955
2011	40.562606879380226
2012	40.3188210511278
2013	41.55892703752372
2014	42.49592912770409
2015	44.05782673565192
2016	43.80582667762244
2017	43.95671553437373
2018	43.550812642666656
2019	45.31625215221696
2020	44.95341625019064
2021	44.881679799465935
2022	42.670912914828996
2023	43.63951751330995