Year	% of GDP
1970	56.33246203474026
1971	56.37671585351654
1972	56.383869778427744
1973	55.938299908222
1974	55.95776784162838
1975	57.49418673194518
1976	57.3662946336745
1977	57.50337295416437
1978	56.85398635100313
1979	57.16919292167414
1980	57.84934353152325
1981	58.51388190448562
1982	58.57145092365058
1983	58.40466562056007
1984	58.0621452827112
1985	57.98686101072327
1986	57.24570391653977
1987	57.54963467694583
1988	56.8945772257339
1989	56.945761115787676
1990	56.435170143854506
1991	56.61268052545147
1992	56.991857644454214
1993	57.020109022444956
1994	56.69111811950685
1995	56.22602907551647
1996	56.54831437125711
1997	56.24250616517826
1998	56.04124529449225
1999	56.21463070988303
2000	56.265880245055556
2001	56.088663520774205
2002	55.701789118142074
2003	55.94125458034046
2004	55.6799974003112
2005	55.894345029195414
2006	55.417791821563924
2007	54.75775590131205
2008	55.10605255611301
2009	56.150124235553754
2010	55.91282695102513
2011	55.72543619715804
2012	55.92112666674659
2013	55.61784208135448
2014	55.06647393864353
2015	54.377309925645676
2016	54.19679946637616
2017	53.85514083661032
2018	53.682391297248564
2019	53.24910343878331
2020	51.67255927986156
2021	50.93785834320893
2022	52.33613448500816
2023	52.4169970520316