Year	% of GDP
1968	73.77393753180336
1969	74.13018619635994
1970	83.70253317846986
1971	87.54521726163114
1972	87.6381732187706
1973	91.69474052733644
1974	107.23517144796348
1975	116.5495735903268
1976	79.31059094858168
1977	83.8386369057995
1978	83.56183247735297
1979	83.49995125156521
1980	77.251682897439
1981	75.71347478868546
1982	73.68184083975522
1983	79.33094290872612
1984	79.10857273280547
1985	77.68017938414536
1986	75.97985133417421
1987	71.62018675263944
1988	65.21307805620651
1989	61.124673665703924
1990	59.186591568482584
1991	62.02240572827922
1992	56.24753532970034
1993	53.420671329325955
1994	58.50577514872657
1995	61.0222647954256
1996	72.54801352932795
1997	85.28033520628078
1998	100.00659598778799
1999	108.09730206522923
2000	127.83997862512093
2001	119.16839627695846
2002	106.89713859450166
2003	106.58607380518497
2004	111.50987834283173
2005	114.37741822669705
2006	132.66748416508426
2007	136.22189357210567
2008	137.339747946638
2009	122.65958118005295
2010	138.9525354495498
2011	151.29531762372417
2012	154.2887955098418
2013	153.01252685869483
2014	152.81367578845743
2015	152.18555440374408
2016	152.24264820001176
2017	154.65138969542173
2018	152.8633370372327
2019	148.99726503988418
2020	150.47083200174026
2021	156.3598928211972
2022	178.9813733917925
2023	149.21730389981127