Year	% of GDP
1970	86.37950300117674
1971	86.14398479551113
1972	83.06980911565076
1973	82.77015142777857
1974	88.5672515642542
1975	85.63370248136104
1976	85.43966309103081
1977	84.02637772151701
1978	83.69362044135904
1979	86.29965821448855
1980	88.66939276678077
1981	88.8584597030683
1982	82.38728490929876
1983	81.76876570315862
1984	80.26167701951961
1985	80.88380453273153
1986	81.44496766385915
1987	79.67618590647454
1988	77.95366803828608
1989	76.30617634411833
1990	74.42156588352923
1991	75.78814614831548
1992	75.9862148966962
1993	74.2340210182907
1994	73.86977572984189
1995	69.62664407544806
1996	69.32443885345457
1997	66.31376019119338
1998	64.11776337362444
1999	62.478155771224365
2000	61.669345845974945
2001	60.972578944632716
2002	60.36750172028399
2003	60.520538519124756
2004	59.93110416372779
2005	59.691749766957294
2006	60.04615613999902
2007	62.037100372500255
2008	67.03399795805261
2009	67.31621944168818
2010	66.08454554121224
2011	65.08400646055941
2012	63.5404701604534
2013	62.17159895366292
2014	59.148228036938036
2015	45.42101815409477
2016	46.67234875364093
2017	44.15462253531206
2018	42.703646673646
2019	41.465141401615284
2020	37.933081019172604
2021	36.540122101116744
2022	35.8995126394069
2023	39.346101628612594