Year	% of GDP
1970	79.0558672028343
1971	76.71772428884026
1972	75.67327235772358
1973	74.38321921530269
1974	78.21958456973293
1975	80.27748507200562
1976	75.3079346892008
1977	76.50067122674679
1978	77.5296108291032
1979	77.17433320448396
1980	79.14971352652994
1981	76.73895253682488
1982	77.24395683886914
1983	75.03852496688205
1984	74.65837022855092
1985	76.2046881800659
1986	74.38959156557901
1987	75.03679401484025
1988	75.62770007271483
1989	76.4768501051043
1990	78.66591353921736
1991	78.79342346018666
1992	78.15025212229527
1993	74.98788057936743
1994	74.38741721854305
1995	74.47317012344654
1996	75.27324160987527
1997	75.67619138482088
1998	77.85089772152847
1999	76.26668079732224
2000	74.9922813107586
2001	73.41972776431102
2002	74.21679082119529
2003	74.10554871212855
2004	74.43047638765779
2005	76.02877185660716
2006	76.62612497383782
2007	75.1035232733175
2008	77.52394327529223
2009	77.94263716695744
2010	77.52899056761515
2011	77.89090738393654
2012	78.18468555454403
2013	76.25313040975614
2014	76.19767695787787
2015	75.83879215495874
2016	76.09790792203628
2017	75.37630192209794
2018	76.09815365822591
2019	76.0829528747195
2020	77.59091685163054
2021	78.71484263891445
2022	79.26525913286598