Year	% of GDP
1970	4.62664156159878
1971	4.3634691734724775
1972	1.5096318389106007
1973	1.4907002904880513
1974	2.8280273131865443
1975	3.3401590425728998
1976	2.673261529799469
1977	2.9524724876565984
1978	2.713578384162297
1979	1.615885556888646
1980	2.130285665889419
1981	3.140268276075739
1982	1.690260259167519
1983	2.1026036633237726
1984	2.3819806579804705
1985	1.6970547092784838
1986	1.5248893078127732
1987	1.107362041370922
1988	2.0204846708048403
1989	2.438008821581002
1990	1.1785589516347375
1991	3.2740475870144676
1992	2.802675462801163
1993	2.0833454500004454
1994	5.058845978246862
1995	10.541569240892395
1996	8.187438701792505
1997	3.611358462081276
1998	8.060815758792543
1999	16.184811216300993
2000	18.26225540429886
2001	10.196955563140582
2002	-11.135275287395338
2003	16.72916804299466
2004	122.48158239684874
2005	339.7879432079713
2006	369.34487569978967
2007	449.082766618976
2008	163.22449053339045
2009	16.614651472091936
2010	102.31493824404845
2011	80.99523832627902
2012	35.12659475528868
2013	4.834198644438962
2014	1.3407943666630129
2015	32.82432953460001
2016	23.791827255483415
2017	28.84965954613258
2018	29.122050586511715
2019	27.26221147307089
2020	29.898020045977297
2021	26.26977039373717
2022	26.307309089231435