Year	% of GDP
1970	-0.3494825796379004
1971	-0.05403724493069362
1972	0.02517790406318099
1973	-0.5367616345962496
1974	-1.852819138101598
1975	-0.7632781007445075
1976	-1.4575220559867113
1977	-0.9598445303270964
1978	0.11317170381466823
1979	-0.8757820973580763
1980	-1.9583849540462417
1981	-1.0895202298071318
1982	-1.007052596266174
1983	-0.4518858439478848
1984	-0.055226447497023656
1985	0.07851661473720029
1986	0.30212257921084174
1987	-0.13495088882268647
1988	-0.4788959370045127
1989	-0.7942213166278584
1990	-0.5431378181822275
1991	-0.1384836771845137
1992	0.6387136668067903
1993	1.274460755580911
1994	1.3698565882765692
1995	1.4863141325060347
1996	1.5881695459516685
1997	1.7091069282394145
1998	1.4198485095951234
1999	1.2518538715596534
2000	1.2005088580885115
2001	1.5776619354017356
2002	1.9986965763751918
2003	1.6971259378020527
2004	1.9138246014010463
2005	1.719661176380555
2006	1.5745211895380038
2007	1.3737726679525295
2008	1.463698787853808
2009	1.813748528303293
2010	1.8653791767365249
2011	2.091929653313869
2012	2.8653498527262116
2013	2.993810267868959
2014	3.204973818867046
2015	3.4924962322552204
2016	3.1812961256121213
2017	3.236337967935107
2018	3.55559789473498
2019	3.105721216966309
2020	2.912470785539483
2021	3.915565217637699
2022	2.939742379498192
2023	3.110499991481042