Year	% of GDP
1970	0.5873192891057328
1971	0.5509723344107371
1972	0.555539031226662
1973	0.7114637484821307
1974	1.9071239227536778
1975	1.8561008037867432
1976	1.8687351425015053
1977	1.8101043733945703
1978	1.5077020835889081
1979	2.6927548792307863
1980	3.002818120268236
1981	2.4569241820000993
1982	1.6834927927613972
1983	1.918535527132227
1984	1.80289122254648
1985	1.690210926885497
1986	0.6962833522089273
1987	0.8233774529102684
1988	0.7057931763060256
1989	0.8126644416953847
1990	0.8956282763034136
1991	0.5972915574971861
1992	0.5836362493453408
1993	0.5759063122893937
1994	0.5158803407593671
1995	0.5484975051387722
1996	0.6792247962925806
1997	0.6177691317296654
1998	0.37576964020484066
1999	0.49042049948374994
2000	0.9047891652342863
2001	0.7778585443727272
2002	0.6489064938477577
2003	0.7999764453864252
2004	0.9461476217146326
2005	1.1811871352572612
2006	1.135633729219264
2007	1.1161091997682933
2008	1.6197885302258688
2009	0.7827147615885366
2010	1.1012201297513575
2011	1.4115403145763268
2012	1.0612417656722535
2013	1.0049144023950072
2014	0.8846412095910308
2015	0.42124298051510434
2016	0.4383529367444664
2017	0.6014970366190856
2018	0.7526262933363076
2019	0.6650946267643201
2020	0.49918019860138146
2021	1.4405519548481445