Year	% of GDP
1970	0.8993941556902406
1971	0.09003694282721468
1972	0.8944605896378164
1973	0.6654316517338688
1974	0.7149799381395873
1975	0.2002922494227098
1976	0.063297117221386
1977	-0.11733462525608206
1978	-0.1377722351454923
1979	-0.19001792034710271
1980	-0.015186997068713348
1981	-0.016809074552750748
1982	-0.0018808866556537021
1983	0.0791642807195168
1984	0.21940949766598639
1985	-0.004733655738489781
1986	0.32290783981255045
1987	0.10800209778438524
1988	0.09123810203082705
1989	0.4035791806324118
1990	0.5694595135548673
1991	0.4203516381419602
1992	0.5688436527699413
1993	0.3779446781590827
1994	0.1626271608211431
1995	0.25299407748384195
1996	0.20604578510972543
1997	0.328537056882296
1998	0.3779089532255497
1999	1.3648106388905277
2000	1.7919237632545295
2001	1.7111719861957535
2002	0.27396516088160755
2003	0.2020257237059334
2004	1.0446898563867022
2005	1.45800803699285
2006	4.607492002806281
2007	9.26011530963958
2008	10.577930760914276
2009	13.448542788128142
2010	9.138671338281117
2011	7.059792149716346
2012	7.036805333555378
2013	4.5546453110489775
2014	2.977511232975681
2015	2.8972772745315796
2016	4.5646080317149496
2017	3.527971510000568
2018	4.4479279872799315
2019	3.362798309946536
2020	2.7465713235246776
2021	2.456494025263774
2022	3.057332744413991