Year	% of GDP
1973	1.8848920863309402
1974	1.47154471544715
1975	1.62878787878788
1976	1.6138933764135701
1977	2.15223463687151
1978	1.58816276202219
1979	1.7474332648870599
1980	1.87685185185185
1981	2.0391517128874397
1982	2.00305576776165
1983	1.89514426460239
1984	1.6040226272784401
1985	1.5883707541738599
1986	1.79553466509988
1987	1.67523364485981
1988	1.59426066161817
1989	1.75375880559352
1990	3.72916598371212
1991	5.50917220341816
1992	4.29060212378114
1993	4.53637540088899
1994	3.4378769601930004
1995	0.6078028747433261
1996	5.32855611635214
1997	4.1735256126053795
1998	4.37764728159408
1999	4.44810543657331
2000	3.53550295857988
2001	3.39622641509434
2002	3.0489335006273497
2003	2.44712990936556
2004	1.9734660033167502
2005	1.7430555555555598
2006	1.64391043145822
2007	1.3656783468104199
2008	1.30649717514124
2009	1.32690239867659
2010	1.21679268178848
2011	1.0949310428260302
2012	1.04224962789709
2013	1.05488528481013
2014	1.10273875155611
2015	1.2136947334200299
2016	1.24050679129546
2017	1.24889524304653
2018	1.2345519152011601
2019	1.19677367403908
2020	1.47218174247944
2021	1.51203855994152
2022	1.4499563609619202