Year	% of GDP
1960	71.2929616553639
1961	68.29472017547636
1962	67.93863407258065
1963	68.20501096519081
1964	72.43504912125557
1965	70.14688940092167
1966	73.32141945366352
1967	72.85301900408949
1968	78.90832595217006
1969	80.21557368792183
1970	70.64753721574725
1971	74.75826575171554
1972	73.84476408866652
1973	72.67864410721555
1974	81.58114116339384
1975	80.87602218412637
1976	66.93740049463732
1977	58.14914051210576
1978	77.88301819759678
1979	100.439283127322
1980	102.10764073662818
1981	102.99609941773917
1982	86.68336531903785
1983	78.72361467248736
1984	117.18865346345362
1985	121.55503553771838
1986	94.72950844215096
1987	92.86922788342878
1988	91.417472350161
1989	96.01028042476226
1990	99.94017193602758
1991	101.59878879601338
1992	125.49432672155856
1993	82.84213318400849
1994	111.40668392432498
1995	107.65180749995673
1996	97.72424196051855
1997	88.98483182525833
1998	84.47498536609666
1999	84.2317468917696
2000	89.51300605287156
2001	84.82773459944245
2002	81.84675542710204
2003	88.15063084240877
2004	89.3181040726816
2005	90.48789334490972
2006	100.74559882499337
2007	101.24442206243678
2008	113.57740384422583
2009	86.88512433388371
2010	80.92040031888104
2011	83.82182022758083
2012	82.0400783486515
2013	83.25957198400107
2014	84.74099862313
2015	76.11752166234756
2016	76.45520237368503
2017	83.52317251751296
2018	89.97790604123514
2019	90.11060763359936