Year	% of GDP
1970	1.4951301662537757
1971	1.6066518337496125
1972	1.7385322633332025
1973	1.939255647651389
1974	1.040850868697856
1975	1.159815734741361
1976	0.7523211168021765
1977	0.8602765053281474
1978	0.5486146023756111
1979	0.7155064438013596
1980	-0.22124826424359872
1981	0.4680801850960514
1982	0.3923823737413558
1983	0.5640583430540078
1984	0.35207068406095005
1985	0.8490700164395568
1986	0.36564942581410653
1987	0.9243391023410686
1988	0.7564099248126029
1989	2.009606243751147
1990	0.7730760539397057
1991	0.8858188135567672
1992	1.0682211893382256
1993	1.4976144542724772
1994	1.5028803916263314
1995	0.7795932919685489
1996	0.6687044555786602
1997	0.560907196871781
1998	0.5402917164229261
1999	1.2514652935423134
2000	0.9695923431829813
2001	0.8608915570522839
2002	1.5856624658580503
2003	1.345501837328955
2004	1.2565909984450296
2005	2.2847995693123817
2006	2.5248715951872227
2007	2.796870481597032
2008	2.6732152140462913
2009	2.3994348736351525
2010	1.7597667073326582
2011	1.8224367713525267
2012	1.2651034063994198
2013	1.2253600072712776
2014	1.204490897450317
2015	1.2024126303653484
2016	1.031088303680629
2017	1.480632868213532
2018	1.053335882542049
2019	0.7749281747679226
2020	0.5537551398789572
2021	0.8925690894294552
2022	0.5465525653179014