Year	% of GDP
1976	67.2462697794007
1977	69.44444444444444
1978	69.72091459314055
1979	69.35103610869835
1980	64.10814758321001
1981	53.16989734386136
1982	54.552374715564525
1983	53.45495028416282
1984	54.63200682508291
1985	56.6681567217196
1986	54.16152276576307
1987	57.31450321877452
1988	52.12101053165109
1989	53.989121553114515
1990	49.24115647499506
1991	48.306072240562834
1992	46.93449326295921
1993	43.69444705138111
1994	52.75067472552678
1995	51.961078973933404
1996	50.891356987245075
1997	51.29765105304638
1998	50.44622267714581
1999	49.47976193370677
2000	38.85269161334631
2001	40.45046289279153
2002	36.693140077337084
2003	35.42667881988208
2004	57.09265262623303
2005	57.12555554609392
2006	59.881458939679725
2007	61.663102285032046
2008	61.03120081315239
2009	62.3094945737398
2010	61.5630454862737
2011	59.697762704268996
2012	60.696262836219525
2013	64.32042100824837
2014	64.83651345001486
2015	67.24631840866248
2016	68.48212565236997
2017	69.27413578274592
2018	69.94768244001388
2019	70.94296796924738
2020	69.30762244833758
2021	71.79289004777601
2022	70.87289709841596
2023	67.96044477862887