Year	% of GDP
1970	0.5121843975947019
1971	0.46897354056423746
1972	0.45310241702413523
1973	0.4938594485251195
1974	0.3590324814653493
1975	0.381347153940498
1976	0.3550448703777632
1977	0.3683167579900696
1978	0.34855040645523583
1979	0.5895571001270029
1980	0.19115292656990204
1981	0.45460340499956864
1982	0.319911958636891
1983	0.32379989436841133
1984	0.29327491676721595
1985	0.4585596692236349
1986	0.3619823900410528
1987	0.4819643499353107
1988	0.5351774641635769
1989	0.7697382134338808
1990	0.5153595218584294
1991	0.5197825309835503
1992	0.6504832758747671
1993	1.1056030796345853
1994	1.3034519491335381
1995	1.1059449330731432
1996	1.1002328460394148
1997	1.4573863763320238
1998	1.3742024857398405
1999	1.554442523531056
2000	1.4337100145700925
2001	1.6344324365138534
2002	1.598864332945672
2003	1.5483873278262845
2004	1.4150766829909014
2005	1.8968128850435222
2006	2.927271344416788
2007	3.001785484012484
2008	3.615646232333192
2009	2.8674821135468664
2010	1.9844280882277654
2011	1.9887962069016585
2012	1.7342327072011792
2013	1.7488007657606444
2014	1.984506025697411
2015	2.3965588601883345
2016	2.108798754128719
2017	1.93933410398062
2018	1.819199899705211
2019	1.773493473359681
2020	1.9036061372951052
2021	1.5751962224469578
2022	1.5368128855438359