Year	% of GDP
1960	17.1380981595092
1961	17.41
1962	16.578105263157894
1963	18.779716981132076
1964	18.853426294820714
1965	20.578278388278388
1966	20.27407894736842
1967	20.172379518072297
1968	19.055640326975475
1969	20.139827586206895
1970	20.77364864864865
1971	19.160632653061224
1972	19.59191150442478
1973	20.34503617945007
1974	21.04308888888889
1975	20.962127272727272
1976	20.913457330415756
1977	22.928399134667387
1978	23.01967051775781
1979	24.70029335071708
1980	28.83926684737121
1981	28.79792284023339
1982	32.17463019558332
1983	33.58773596177037
1984	31.073047162886063
1985	30.31400126224369
1986	25.390219307381695
1987	29.053514782906497
1988	23.309089729029107
1989	22.328992667119877
1990	21.60246234662669
1991	20.08782368876197
1992	18.156222325092333
1993	20.34860529604777
1994	20.785360876578697
1995	23.159019175525483
1996	23.48703031985271
1997	23.267847817284924
1998	23.89939683280784
1999	23.557889272034995
2000	21.953793455255564
2001	21.387685007641803
2002	20.502662710519655
2003	18.852446055810958
2004	20.06494139554216
2005	18.697026421808218
2006	20.833576321660903
2007	20.729142736264667
2008	19.46606341293282
2009	19.49732937767081
2010	18.18308951114862
2011	18.769257144667957
2012	19.38832532899456
2013	17.53938846739846
2014	17.437699891968663
2015	18.949499731391832
2016	19.49574414188657
2017	20.5486319411982
2018	21.35269227375371
2019	21.289102713274602
2020	21.690119960342535
2021	20.412564700566758
2022	18.39578139600053
2023	18.62038735187341