Year	% of GDP
1966	36.17061431285624
1967	40.52147024504084
1968	39.990437317784256
1969	40.39287991498406
1970	37.791555759522716
1971	32.36724890829694
1972	33.77305743243244
1973	35.102656249999995
1974	38.97303233679072
1975	44.70857142857143
1976	41.05685179941858
1977	36.73550079409418
1978	33.681222098214285
1979	34.9595566314545
1980	42.73621179470036
1981	43.961091907162626
1982	44.33438680569834
1983	50.48829004114168
1984	51.12493706733795
1985	43.864850105239206
1986	46.6241521468575
1987	49.41808687852383
1988	50.365717320215765
1989	55.059983985334796
1990	59.90273625676406
1991	29.43891965343769
1992	30.592706669516613
1993	28.192015652740455
1994	21.239618008447987
1995	23.775649041675514
1996	21.798671598445342
1997	22.932202546424943
1998	25.305574654089853
1999	24.39736108338526
2000	25.798674318983096
2001	21.82079813386342
2002	27.157384583150524
2003	31.093786445129197
2004	20.594782868259124
2005	19.90329077842911
2006	21.034712338833135
2007	18.032957460316183
2008	14.475200175038841
2009	15.746107526115305
2010	14.66781487829721
2011	16.859404468480417
2012	19.84168223483772
2013	18.97916436590056
2014	21.83689544396093
2015	19.596333160339995
2016	15.911511815946067
2017	16.789455393694148
2018	21.726429498776106
2019	18.84139796846952
2020	9.621791886853865
2021	6.6173347257699175
2022	4.615304241577547
2023	5.445885253353486