Year	% of GDP
1960	15.732400272321371
1961	15.077574550632288
1962	16.095622152168563
1963	14.952727603473843
1964	16.025740996990606
1965	16.173058038104923
1966	12.740687083311867
1967	12.806071290963702
1968	11.807443333658163
1969	11.161657850758209
1970	10.373603788802454
1971	11.089597878391324
1972	11.088684171334116
1973	10.855272076267447
1974	10.75256509646274
1975	10.228413337343769
1976	11.41797511168756
1977	12.918165394847195
1978	10.303398938026076
1979	10.062313572668584
1980	9.850640146660915
1981	9.843520537073688
1982	8.370880982242863
1983	10.533312584725712
1984	11.59575916612069
1985	11.104609436102542
1986	10.381304437543818
1987	9.359910365635148
1988	9.796555933945715
1989	8.441587377169677
1990	6.963440655081385
1991	6.841389377301528
1992	6.806084884083033
1993	6.778109238839819
1994	8.721989375176728
1995	5.0116664646569316
1996	4.768411210779674
1997	4.685047029492282
1998	4.7500447835131006
1999	4.645981540086805
2000	4.750459975708609
2001	4.801043016421809
2002	5.475274893392975
2003	6.167184385650403
2004	5.6653115760322095
2005	4.6511688230456025
2006	4.370043777802573
2007	4.4169154360192895
2008	4.567851180110523
2009	4.476773991829836
2010	4.11575648758173
2011	4.342034127733823
2012	4.168328224044396
2013	4.506886182227199
2014	4.32561053879483
2015	4.31914942942436
2016	4.891353588454775
2017	4.600591695759716
2018	4.420399303783291
2019	4.205014094350202
2020	5.71148511544041
2021	6.558762611596666
2022	5.767474908194573
2023	6.241384676256664