Year	% of GDP
1970	2.1608047510931403
1971	2.554718515517098
1972	2.0253587489294453
1973	0.21155852948825773
1974	1.4924368725698287
1975	0.46147458418294846
1976	0.9968780330913005
1977	1.0340019401633835
1978	1.4151679457000377
1979	1.1045230371145
1980	1.2442694622971948
1981	1.3265339118956012
1982	1.1782831415132125
1983	1.6872800475218288
1984	0.2212963561533169
1985	1.1617904359221474
1986	2.942729062244561
1987	2.7392474160122644
1988	3.5893424870056756
1989	2.6755331646190395
1990	2.715870218333501
1991	0.8013292886081882
1992	1.5181648072764093
1993	1.702003663381321
1994	1.3811802495445806
1995	3.6040466312962147
1996	1.1371732347827739
1997	1.8565835326416626
1998	1.9009500019357288
1999	0.5674080432292119
2000	3.578599218889137
2001	2.8230521467661274
2002	3.7030673054118854
2003	1.9209953620997657
2004	6.980716853343118
2005	-3.6069279250837747
2006	4.082092962054391
2007	5.1977179368763355
2008	4.277015978430103
2009	3.1152189291003114
2010	3.0946994476386926
2011	4.688511083515567
2012	3.719916761887017
2013	3.4535367686306913
2014	4.303732518304936
2015	3.4689958469955644
2016	3.558372438776726
2017	3.632528607094971
2018	4.244611488160888
2019	2.778083189918185
2020	1.1907439581564139
2021	1.7834160036135072
2022	4.139795104946722