Year	% of GDP
1980	39.58002930254595
1981	41.56860801009604
1982	45.3076037683496
1983	46.09603771343073
1984	48.17433899520781
1985	46.10279701959962
1986	52.306480812724374
1987	52.39266743037037
1988	54.48867779642207
1989	56.592693768066994
1990	55.07150747829114
1991	72.14768858343771
1992	72.94561143309843
1993	69.0823556673979
1994	64.34019414480287
1995	64.97006610568272
1996	64.97746220058514
1997	64.18499661060632
1998	68.4741295032908
1999	67.00099099008713
2000	60.872742212375094
2001	64.09534673560393
2002	62.768770999900205
2003	60.22962779740306
2004	63.007082674346634
2005	53.79015495716361
2006	47.43848262163704
2007	43.71285407956448
2008	45.779586854654355
2009	54.88784048734053
2010	54.11126591430248
2011	52.91506469500924
2012	53.447318483204086
2013	56.32268178415083
2014	56.6217505803033
2015	63.03348109767143
2016	62.03578246832233
2017	58.66686587648441
2018	57.036544132452725
2019	56.09204395460916
2020	59.267265419669954
2021	54.96267804994943