Year	% of GDP
1973	0.656720536673466
1974	0.604303491769365
1975	0.8447833309213729
1976	1.52367897526514
1977	1.56997781312899
1978	1.26898518073211
1979	0.934292961052104
1980	0.857420859311264
1981	0.915831691308672
1982	1.06086968537316
1983	1.27067371198923
1984	1.17804196040112
1985	1.0542727837491
1986	1.11219167555771
1987	1.1682325387955999
1988	1.24638809717465
1989	1.2908618013077
1990	1.22316502629369
1991	1.21442280200769
1992	1.36050314985351
1993	1.42939051496523
1994	1.52902366386599
1995	1.5666931407425502
1996	1.5390735944898
1997	1.57166792587459
1998	1.5675351983921701
1999	1.58483439104611
2000	1.3571191812402
2001	1.28842277551655
2002	1.0483664626003701
2003	1.0026330976062399
2004	0.99885977372525
2005	0.972810090266113
2006	0.989838836982973
2007	0.9970919644137131
2008	0.938215291633285
2009	1.0289395484522699
2010	1.1843840170017699
2011	1.21766894947597
2012	1.18089723364654
2013	1.11372942922328
2014	1.1364432719278001
2015	1.20851710681525
2016	1.22590038101547
2017	1.12758110771325
2018	1.15395753464462
2019	1.24410082330294
2020	1.24468950875224
2021	1.1966469857328699
2022	1.1288201054868698