Year	% of GDP
1965	90.78771695594125
1966	90.04683840749415
1967	87.95871559633028
1968	87.80231335436383
1969	92.41658240647118
1970	83.93257332164085
1971	85.01230894574533
1972	89.26229508196721
1973	94.10261205660495
1974	98.80147125102206
1975	106.4812157590704
1976	110.48779592155637
1977	115.46910829933334
1978	110.4049902680393
1979	106.78675565913494
1980	112.64694192877039
1981	107.97617859153775
1982	106.86863180685518
1983	108.48154648551565
1984	104.75409567884068
1985	96.41950157675885
1986	94.19909806814198
1987	89.66314667559244
1988	90.50440120737895
1989	93.77143754577448
1990	103.01100015073862
1991	142.6129542658622
1992	94.68806496716614
1993	92.05703519751503
1994	93.18428427578391
1995	94.3196243483405
1996	91.47214474340075
1997	92.44354654762293
1998	94.95984316701448
1999	85.36811455118489
2000	86.61832450325402
2001	86.85046728971962
2002	81.22519413287317
2003	86.55517550745766
2004	89.29764167908338
2005	92.24268009426446
2006	89.71309319805222
2007	91.73250339158886
2008	92.68345625167214
2009	88.81106498514569
2010	97.02802166275042
2011	99.11649273041353
2012	101.01141599915626
2013	97.60657967922847
2014	100.03683523747836
2015	98.69959149396253
2016	96.15860416581661
2017	97.84004656278864
2018	103.11545830290353
2019	96.41001524593884