Year	% of GDP
1972	16.35978466742273
1973	8.448941320632638
1974	19.033529067397208
1975	18.691578551546485
1976	13.394343659716643
1977	15.42412766412996
1978	12.700977858014673
1979	11.031976542890858
1980	14.52157296478402
1981	19.757214339258574
1982	15.56243558397663
1983	33.326830971169024
1984	26.315762723430502
1985	6.020059616255572
1986	1.2235754083264765
1987	3.0644591245301553
1988	8.682187137125467
1989	4.667714927817453
1990	3.659457515582166
1991	4.903468078894848
1992	4.787032298701209
1993	3.902891133148162
1994	2.11402381589593
1995	4.266074432326534
1996	5.067743813092261
1997	1.2261168857739413
1998	2.5640720125389387
1999	1.592138204532043
2006	-0.45358552382762085
2007	-0.7047006377182408
2008	3.3969404783561243
2009	6.708377015460258
2010	2.1371372186861097
2011	2.2801672354821174
2012	3.9179884648529275
2013	3.8292016271986737
2014	1.0361112710447065
2015	1.1557769268600109
2016	1.454700113672533
2017	0.9471185554424552
2018	2.8694701394221616
2019	2.871080620813364
2020	12.679723154274921
2021	4.506004320216467
2022	-1.5660217233495137