Year	% of GDP
1970	1.6575432508504622
1971	1.688902087058877
1972	1.3792742516873913
1973	1.5576020036954403
1974	1.2644100118400914
1975	1.2293099420251652
1976	0.5322937704026415
1977	0.4765484114367394
1978	0.6943074150245069
1979	0.954617271947057
1980	1.1674883211396017
1981	1.0960897764790383
1982	0.7745461093543747
1983	0.8850023198456156
1984	1.193041826721985
1985	1.0459993454114695
1986	1.5578192027963247
1987	1.2361080463334349
1988	1.825567452201864
1989	3.3132375755172583
1990	3.3536369693920682
1991	1.7171950680188255
1992	1.7044491288716306
1993	1.8046389484470189
1994	1.8797010159989687
1995	2.698679060530783
1996	3.6858450503117144
1997	2.647078659291415
1998	8.588628467372338
1999	9.207458316700084
2000	15.116851703561831
2001	12.0483086109171
2002	5.378157020429349
2003	3.5265449907141226
2004	21.252266297835927
2005	30.625137850050216
2006	51.161975193673236
2007	86.47914868005016
2008	20.541682182339873
2009	10.99819249428965
2010	13.660123661872811
2011	36.68196147984758
2012	28.568633362336946
2013	37.47008227513508
2014	13.184433740748094
2015	43.487231677270735
2016	30.74908592258184
2017	27.269557374404602
2018	-36.1403474265894
2019	-2.0018007222270238
2020	-22.289110611572994
2021	-12.769033121363925
2022	-1.1963574975744715