Year	% of GDP
1970	2.3716796683201986
1971	1.4543762613301054
1972	1.395696055943112
1973	2.573812279974433
1974	2.5568550327052235
1975	0.9283844193411996
1976	1.088831325356389
1977	1.1099186183800063
1978	0.54122702540022
1979	0.9035370147513198
1980	0.9841800920835111
1981	0.5525624612443811
1982	0.38883930175498443
1983	0.4541947153487405
1984	0.35904767766903234
1985	0.3547696027742316
1986	0.571840117514682
1987	0.5493687387835174
1988	0.8849277758467018
1989	0.9826424493758869
1990	0.6458713848271975
1991	0.39600021211277353
1992	0.4133378664069212
1993	0.35788705010959515
1994	0.3998385864305777
1995	0.2300513024733144
1996	0.2881793238617904
1997	0.24481720058796114
1998	0.2142925246120992
1999	0.1975962881347986
2000	0.23490778472399587
2001	0.25153917399636855
2002	0.27814305073832596
2003	0.2089339252059631
2004	0.31824303020304245
2005	0.5187385529241932
2006	1.0549971414163202
2007	1.055309218753644
2008	0.9728106274506074
2009	0.8890543072530619
2010	1.373919724022586
2011	1.9070406742500456
2012	1.6484624152075034
2013	1.4072329259548388
2014	1.067889272559796
2015	0.6605771388059971
2016	0.7237308994795759
2017	0.9884851939369613
2018	0.9558791544405603
2019	0.6984247535816137
2020	0.8966394603677744
2021	3.145175583770673