Year	% of GDP
1960	33.65044086859981
1961	32.792717506163726
1962	31.216529765170588
1963	31.818510999080935
1964	34.0719454737601
1965	34.04331568509719
1966	31.985765543287425
1967	32.453294980988126
1968	31.924966521664256
1969	31.72037022539897
1970	30.390853663046904
1971	33.99965292638178
1972	31.552501660779615
1973	33.557848111836584
1974	41.04674353595963
1975	40.13264717921005
1976	39.971496678611764
1977	43.05357520705695
1978	42.589672303450904
1979	43.49527434836948
1980	49.96481306744599
1981	33.67507744226225
1982	30.363797534488572
1983	30.463286588544193
1984	32.63362893318977
1985	32.402515301983414
1986	32.72783578581972
1987	33.056093237852096
1988	33.60011651923774
1989	35.33454323516571
1990	32.85043961998818
1991	30.352939559012174
1992	34.27673917781507
1993	33.951172156370696
1994	34.56907659557703
1995	32.68289011151604
1996	31.35531606706217
1997	31.183294056993816
1998	27.917309861781636
1999	39.984553344922986
2000	41.82178688261422
2001	43.50640381682772
2002	41.03422924530833
2003	41.00490365948398
2004	43.522272539881335
2005	45.605136262815364
2006	45.9975696002189
2007	47.87992140297017
2008	53.12031195934135
2009	43.57250717886185
2010	46.31496623535129
2011	52.04356493537135
2012	50.66251866029637
2013	47.637686747926175
2014	46.05476948112142
2015	40.79962871369807
2016	39.11662826557747
2017	39.92721895492676
2018	41.81066887048328
2019	39.503465108086246
2020	35.60768772119238
2021	41.14269907953569
2022	44.76152578952548
2023	42.1751553363694
