Year	% of GDP
1970	57.7613695519068
1971	57.697944417245395
1972	57.47273746448063
1973	56.650781641253786
1974	56.28539708149935
1975	57.655326691549625
1976	57.382603007427804
1977	57.44871447378846
1978	56.95305303359808
1979	57.02711233519467
1980	57.250441944740814
1981	57.02266545009122
1982	58.22594040748044
1983	58.84682698720552
1984	58.24349156772065
1985	58.681354853561544
1986	58.47389592631416
1987	58.382865956117726
1988	57.966464189682
1989	57.6677756679988
1990	57.81730277189298
1991	57.76125148660491
1992	57.996179645477476
1993	58.56277736920369
1994	58.65965367250219
1995	58.1097622058683
1996	58.39934826964651
1997	58.637754818384316
1998	59.130599788091985
1999	59.42597824968904
2000	59.433798954840746
2001	60.147269826124294
2002	60.32239673396761
2003	60.04664441236578
2004	59.53903598383439
2005	59.340599690049345
2006	58.92518378025338
2007	58.53837216987671
2008	58.578851117263085
2009	59.87496234390532
2010	59.16484306835728
2011	58.70769979309192
2012	58.72211886121852
2013	58.69376197247138
2014	58.6592625510832
2015	58.99477084907333
2016	59.19028970879785
2017	58.93501827418193
2018	58.57538354061514
2019	58.492232988383385
2020	57.64533691653612
2021	57.49328092657567
2022	57.988949218917426