Year	% of GDP
1970	0.3611933598457459
1971	0.28215453279235275
1972	0.26293352971386763
1973	0.288909875365649
1974	0.29166624457964974
1975	0.17559083009962775
1976	0.33243372724369213
1977	0.41973482397014317
1978	0.3259181151440922
1979	0.36148358410083303
1980	0.31735827955899765
1981	0.4397009642556157
1982	0.223259883281851
1983	0.1859032518842475
1984	0.20390493244799024
1985	0.31523665317930366
1986	1.1905276463194516
1987	1.7182930288354756
1988	1.167993408771098
1989	1.1810800525269263
1990	1.03461052902116
1991	1.7748501297373338
1992	1.0968509381259637
1993	0.7035823020471987
1994	1.1851717352537288
1995	0.8812466477404173
1996	0.7751003917267917
1997	0.7252433245152973
1998	0.8183113698581258
1999	1.520709703800461
2000	1.6121369391183127
2001	2.0940381322032326
2002	2.5319536641459606
2003	3.2500603824913057
2004	2.7240960044489855
2005	2.2978009286544743
2006	2.4099688520038294
2007	2.1627330675381273
2008	1.9904200497029894
2009	1.7743735861555798
2010	1.4069343630027356
2011	1.224397174792033
2012	1.0841032336197585
2013	1.1645917518464948
2014	1.0926769562674152
2015	1.7041657638489738
2016	1.836430048653218
2017	1.8657876480641729
2018	1.9973413778281608
2019	2.2029717586425055
2020	2.561334784028546
2021	2.702544190607078
2022	2.7378191692163676
2023	2.7814240739802387