Year	% of GDP
1970	1.5441176418067226
1971	1.4409512293430067
1972	0.7566744396326084
1973	1.3545071829944269
1974	1.499288356770152
1975	2.194245590937766
1976	0.28634914959571395
1977	1.7790346946798758
1978	2.0953447074310705
1979	1.6950134240716996
1980	1.4050541332961022
1981	1.4766191759528606
1982	0.8844786354644477
1983	0.49723754708342327
1984	0.401267155213652
1985	0.635694421557388
1986	0.9513322329124116
1987	2.1201513662729687
1988	4.207048066401988
1989	0.9059861758778799
1990	0.6235133678923864
1991	0.9642642660043969
1992	0.9012735225901786
1993	1.2499981029131133
1994	0.5021861537836753
1995	0.5131212880706862
1996	0.4905952565452792
1997	3.549179704034866
1998	6.941303682764617
1999	5.0473806753155905
2000	-4.088355547223058
2001	-5.088199966054004
2002	-4.974498761301871
2003	0.09032397034025226
2004	1.3631757070282517
2005	2.016175003372495
2006	2.1358752288842147
2007	2.5595919277114927
2008	1.8995220870582272
2009	1.3462782253554346
2010	2.7103070679205103
2011	1.8703824402362592
2012	2.822562971872129
2013	2.8721614507153737
2014	2.4330214271828985
2015	1.9350880063605609
2016	1.280458713072841
2017	1.3932898324860683
2018	1.2579004852371287
2019	1.5170710192310661
2020	1.292375080919708
2021	4.214101788705975
2022	1.4596516305158136