Year	% of GDP
1970	24.10320274597259
1971	25.0239050342274
1972	24.894717367660473
1973	26.296722540821943
1974	32.890590494046386
1975	25.550182015712537
1976	24.055187690525475
1977	26.093376058717677
1978	25.368899783140087
1979	29.53659870245666
1980	32.779990798928836
1981	35.24548783826952
1982	35.078556659082295
1983	34.376242930554795
1984	35.23254195507469
1985	32.27408554081072
1986	28.025180435097624
1987	32.23728874431444
1988	35.562711188574355
1989	35.40370577382929
1990	35.886415099908305
1991	33.819041339261744
1992	31.848606947675624
1993	30.57508437312625
1994	32.04379408616405
1995	33.144740288220106
1996	33.66134016754418
1997	35.15080675486676
1998	36.499271629659816
1999	36.83235509252859
2000	39.24837739243432
2001	37.65462906358563
2002	35.23489718437954
2003	33.771755590473575
2004	35.53754211177592
2005	35.86033701449834
2006	38.18964867710075
2007	38.75193301046178
2008	40.81466384377359
2009	34.19895080869759
2010	37.71398653084177
2011	38.644682399142
2012	38.27282404565268
2013	38.50792964694488
2014	40.06633987367539
2015	39.87577893503057
2016	39.063405989510066
2017	41.714874123494795
2018	42.983041904353186
2019	43.05629556334607
2020	39.19071422603697
2021	44.22419293943465
2022	52.00618088220469
2023	46.609083477877554