Year	% of GDP
1963	52.83018867924528
1964	56.91947976033903
1965	55.26880278857755
1966	56.369920152544395
1967	58.365656085912555
1968	63.193107872788936
1969	65.57377049180327
1970	65.44996853366898
1971	60.67908627830128
1972	63.62092432217579
1973	58.69791065450768
1974	53.96137599950123
1975	59.46666472426377
1976	61.33276457336338
1977	59.963799134114424
1978	59.234133519473865
1979	61.01356592814031
1980	62.099916504313946
1981	64.80956773853453
1982	67.10769484303086
1983	67.06868463923486
1984	64.98859344746276
1985	68.8841684857621
1986	75.70055291042166
1987	81.42789712291024
1988	78.76883458133001
1989	84.07643312101911
1990	87.73298643965369
1991	88.5402608514084
1992	89.1754847492116
1993	83.8719362438485
1994	83.49666031127782
1995	81.92615815264419
1996	82.45198752073249
1997	83.03534672725952
1998	112.06420077658183
1999	119.29642228337978
2000	103.17908814942005
2001	112.44573784104979
2002	108.81736121295296
2003	114.52551436386176
2004	106.45209403753478
2005	103.32568645609548
2006	111.09884535321149
2007	109.11665522542187
2008	121.70856854161617
2009	131.45032923799863
2010	123.278603193283
2011	126.18064996830958
2012	128.91277908617963
2013	128.850836242755
2014	128.44556895775114
2015	122.85926288735631
2016	127.51898476295958
2017	122.37373958993479
2018	118.55572540166222
2019	123.02592961555831
2020	148.4809534889605