Year	% of GDP
1960	73.03077463761885
1961	74.084498865915
1962	74.83901524012259
1963	75.20602566311703
1964	76.71621958954842
1965	74.53709826742494
1966	76.60639967251143
1967	73.54563097604847
1968	73.48561306667216
1969	73.78723328082486
1970	71.79968064593878
1971	73.6685783200544
1972	71.8475429029502
1973	70.00658002961013
1974	70.8847213261204
1975	72.27183862081222
1976	71.07933943299454
1977	69.86965611728017
1978	70.3318464145172
1979	70.76404526516697
1980	70.21815809971314
1981	72.50935936690685
1982	72.86851629240884
1983	71.93308617131451
1984	70.57771851980924
1985	68.97836698931489
1986	65.34622499026217
1987	66.12802807848414
1988	65.5020036913064
1989	65.28620418520396
1990	63.99327628644205
1991	64.47610440559562
1992	66.88715078939357
1993	66.81477743745333
1994	65.90891261205545
1995	65.68262462362078
1996	65.4997112590712
1997	65.06891633573184
1998	65.85920640458659
1999	64.41539456947862
2000	69.46832844996668
2001	70.52835719124556
2002	70.05906498779161
2003	69.0734179074336
2004	67.1993293519018
2005	67.86819663981915
2006	67.36459785536857
2007	67.04830270754685
2008	66.08359178603068
2009	66.5154094909227
2010	65.93390434878518
2011	64.57256030874458
2012	65.63261901225353
2013	65.53390104650234
2014	65.97090324720189
2015	68.47501901348599
2016	69.05967014825508
2017	68.51231597736384
2018	68.11835702086785
2019	68.66861371157323
2020	70.72403705265357
2021	72.70185153198719
2022	73.86696475893511
2023	77.50804051027607