Year	% of GDP
1970	0.7279352996081982
1971	0.4903643130557948
1972	0.4906568969478553
1973	0.6950781587686061
1974	0.6483589175022764
1975	1.6677899200030273
1976	1.8265755931415815
1977	1.2112008952000612
1978	2.56185213330257
1979	1.837839707918346
1980	1.3171413524200772
1981	0.9842676750434622
1982	1.1269512637737324
1983	0.816958536991972
1984	0.6035814485570541
1985	0.7694400445124802
1986	0.871659712656952
1987	0.950683051826617
1988	0.6815434050792745
1989	0.4912518646801831
1990	1.2613386536603388
1991	2.7349594911674306
1992	2.6076772551426655
1993	2.0563561031001854
1994	1.5009004905735652
1995	2.086966573737818
1996	3.4535635901355146
1997	2.44856368849382
1998	9.825138434554075
1999	18.41431168690401
2000	25.72602623932597
2001	8.825984749226443
2002	22.80303312713788
2003	13.834448361868358
2004	-5.457373705461265
2005	22.183269495389276
2006	9.505558291145217
2007	22.19154150302474
2008	8.454492689039645
2009	22.827608853053004
2010	17.01043195990333
2011	9.908972338867168
2012	25.804346517972558
2013	29.73853957555966
2014	37.50059792297466
2015	81.08386838751245
2016	34.47077351294748
2017	17.287538629754245
2018	17.419935206657577
2019	-11.689488034703018
2020	6.57876273793105
2021	17.88698657330265
2022	-0.35616696670512626