Year	% of GDP
1960	11.26579138192824
1961	10.62596029271253
1962	11.125498248524119
1963	11.136316410840537
1964	10.896292484198511
1965	11.158296225331894
1966	12.750735431912144
1967	15.003298616321672
1968	15.48418238901583
1969	15.990848661175331
1970	16.652878021825636
1971	17.415507159609387
1972	18.369601527577963
1973	19.0255102566185
1974	18.52002476773912
1975	18.13321326214775
1976	17.73875964926363
1977	16.42956292001855
1978	15.358451739310732
1979	15.87738150291282
1980	14.741034714538031
1981	14.425022880674042
1982	14.396953323890468
1983	16.0069704558497
1984	15.111247352225124
1985	13.325587395767457
1986	13.690046484161305
1987	14.989988396853175
1988	15.067064216836945
1989	14.490033653624637
1990	14.749016035231996
1991	13.376818836599206
1992	14.472999196258126
1993	14.227324968911589
1994	13.44792002524528
1995	14.120763028412558
1996	13.369184343576809
1997	14.35668426840051
1998	13.80052705815499
1999	16.18659106639584
2000	15.356938778597323
2001	14.941202665459288
2002	14.851184091368605
2003	15.587748296500717
2004	15.140566754903585
2005	13.340761022511789
2006	14.043973530365946
2007	14.337724267951574
2008	13.013138741502516
2009	13.547982444091666
2010	12.139988552631662
2011	11.612157260235476
2012	10.342329017369607
2013	10.169771545105137
2014	10.99604254409045
2015	11.660296447148669
2016	11.120438157278983
2017	10.25920308854554
2018	10.525203654940398
2019	10.410598392429392
2020	10.031318526429613
2021	9.971703502026427
2022	10.931345568607526
2023	10.69070483857795