Year	% of GDP
1960	40.481307519071954
1961	43.00818804677958
1962	41.92622850992833
1963	40.02640036037003
1964	37.31221613480332
1965	34.663682677064905
1966	34.72761708458671
1967	35.59791635396541
1968	36.983783920457824
1969	34.286762382104676
1970	32.99367587957185
1971	28.614999787916474
1972	28.146861360849012
1973	28.672988658221687
1974	35.4634343281208
1975	31.92247989685108
1976	31.418876785607313
1977	37.59382769534904
1978	39.71091494329308
1979	45.58713542823107
1980	47.64339805290022
1981	41.28004986311859
1982	41.07045394180381
1983	43.236800196726804
1984	39.19006131009157
1985	44.87870948147463
1986	34.51633161535159
1987	27.350908377821444
1988	33.221790961364256
1989	22.53676060066247
1990	29.469676899682952
1991	26.659254111883996
1992	27.97729215520667
1993	28.76658657061992
1994	28.922995769890136
1995	30.927217847550786
1996	31.654204091264397
1997	33.46954585068268
1998	32.953021785393574
1999	33.20577655584926
2000	35.53803216231781
2001	35.06440143102117
2002	35.24918133176952
2003	37.6246103251002
2004	41.936078267927265
2005	47.35731747683939
2006	51.785056033844235
2007	55.68811328368153
2008	58.43376738990528
2009	48.111929615351855
2010	51.672808937003346
2011	55.98828028386066
2012	52.61989526322937
2013	49.78714244714436
2014	46.85312109128992
2015	45.16276868911478
2016	45.38884119641545
2017	47.51355036199706
2018	48.631470171736005
2019	46.94350537544095
2020	44.245967197744044
2021	55.27425487829869
2022	57.25107343580912
2023	50.90950831453497