Year	% of GDP
1969	24.731586135181328
1970	25.146162548037093
1971	24.172865964012
1972	25.445821912087524
1973	26.169451256806365
1974	20.515846235700504
1975	30.065632734236143
1976	33.78815869120534
1977	35.53349020932166
1978	36.206545557014536
1979	27.419358307346297
1980	25.6759140038072
1981	27.84216092446631
1982	30.035142734755198
1983	33.31359867727064
1984	31.76888041619968
1985	28.714895981125238
1986	28.972387478759327
1987	24.919254655701568
1988	23.407053865857037
1989	24.209192840725084
1990	20.953066542996314
1991	24.72796031088437
1992	24.516829829552325
1993	25.050800925221324
1994	23.942733555624507
1995	24.612280794712
1996	25.20297264764703
1997	24.720405151779637
1998	25.27769014395787
1999	23.537607325732417
2000	21.282647421843155
2001	23.09102732658643
2002	22.975126967374756
2003	22.98184400952253
2004	22.603882586080253
2005	22.2217524784469
2006	22.382954601388654
2007	24.372910928557896
2008	25.072052559802017
2009	26.67099971483023
2010	24.949053745933224
2011	23.999652411181902
2012	23.3673125742951
2013	22.919140419743655
2014	23.715717233642884
2015	25.28584001757237
2016	24.083583440242723
2017	22.883474547820146
2018	21.848118524877908
2019	22.684839358264924
2020	22.47563673621548
2021	22.499279726722282
2022	22.00893888225856
2023	24.50404386498377