Year	% of GDP
1960	33.65029238816263
1961	32.79005772562514
1962	31.213584247991687
1963	31.814383094800856
1964	34.06599927393525
1965	34.04009765104685
1966	31.987445490510023
1967	32.456813512899934
1968	31.93295104337887
1969	31.729207964523756
1970	30.40075615370319
1971	34.01412403987157
1972	31.57180231495992
1973	33.575388800815404
1974	41.06108253357826
1975	40.14683717552937
1976	39.99104021823904
1977	43.07208512853717
1978	42.6105521579961
1979	43.519917393403865
1980	49.98015357448416
1981	33.68964575234151
1982	30.382559216989872
1983	30.482613542220534
1984	32.65555178572547
1985	32.42835677882582
1986	32.74865592649019
1987	33.07306470046893
1988	33.63072898960733
1989	35.36303536972507
1990	32.88284105876802
1991	30.379294380268096
1992	34.29995276270791
1993	33.983551888977225
1994	34.590072762257996
1995	32.7057573007196
1996	31.421856285285987
1997	31.231170623768485
1998	27.975760587368523
1999	40.06375279265376
2000	41.88425371411066
2001	43.60667785182595
2002	41.112497143964525
2003	41.073329799144254
2004	43.58049506371207
2005	45.67505641728347
2006	46.06416019869432
2007	47.9431435953345
2008	53.1993509821417
2009	43.64019426855797
2010	46.37991963710786
2011	52.10449579052352
2012	50.72319810471486
2013	47.69548547245048
2014	46.11113845326402
2015	40.849431380168795
2016	39.17529937842153
2017	40.0003240459635
2018	41.872504946658886
2019	39.555591044865984
2020	35.66313077350436
2021	41.193930187993764
2022	44.80930605103027
2023	42.22804021318655