Year	% of GDP
1970	71.3294498381877
1971	71.42234677978573
1972	71.70725849000846
1973	68.17472803862
1974	72.06987697706006
1975	71.56708366341144
1976	69.33144204120136
1977	69.299522638797
1978	70.62775007591986
1979	72.15182425338021
1980	71.39142770157144
1981	73.09258274187529
1982	75.04806831802408
1983	75.18619326663372
1984	75.23875101220197
1985	77.38019629238062
1986	76.06712669767181
1987	78.63360548534065
1988	78.36339027409261
1989	77.27216269689664
1990	78.03141719889126
1991	79.48843410620395
1992	80.24498498234767
1993	78.23992316615963
1994	77.17981596930564
1995	78.35865994223818
1996	78.74877612583671
1997	77.76273509454683
1998	78.48324404449089
1999	80.94600025361422
2000	81.94738110828379
2001	77.9524626976059
2002	78.59121987519956
2003	81.66296426116682
2004	80.76710838455796
2005	82.86305912803543
2006	80.65281727858837
2007	79.41584408079476
2008	76.06586744113102
2009	76.63204611962843
2010	76.24479882765857
2011	76.73446669244973
2012	78.21751010989699
2013	76.82437866366459
2014	76.40373840097847
2015	73.11113633292715
2016	72.28106083778898
2017	73.7730280530181
2018	74.43396989768497
2019	74.7626080447926
2020	80.02939324744503
2021	78.86340715524696
2022	75.88679984109656
2023	75.66283247706593