Year	% of GDP
1970	0.45784655270193636
1971	0.36719494673116787
1972	0.4137504573571922
1973	0.07703225150716492
1974	0.11670573596870365
1975	0.0881399002280995
1976	0.09582713056454795
1977	0.21549782174255022
1978	0.17245554787965559
1979	0.28117089072176354
1980	0.2549492028137498
1981	0.24577024802093614
1982	0.14802868228544477
1983	0.2718419026194435
1984	0.930574314009194
1985	0.6226470245081391
1986	1.1124169370847905
1987	1.2552603432941556
1988	2.4060852346788413
1989	2.4938961496804106
1990	1.967062468968413
1991	-0.09390447564246852
1992	-0.6727318652456332
1993	1.5709092949132502
1994	3.0356995510561084
1995	1.416476336888306
1996	2.435212058896257
1997	4.401286359518577
1998	14.312193980302753
1999	7.308975703451703
2000	22.442748020012644
2001	6.134605851747564
2002	5.226068150903308
2003	0.12160937767746499
2004	1.3971936585879439
2005	5.112189739078301
2006	0.829488056584077
2007	6.443415208551462
2008	10.555256355717189
2009	-1.5405573909254198
2010	6.00865875617788
2011	-1.2883806949416925
2012	3.2425196066123783
2013	-2.6379005704064635
2014	0.1522605081048692
2015	-0.3223695824544702
2016	8.561669839769301
2017	5.352550322150807
2018	1.143326699638933
2019	2.6230250102276096
2020	1.8246428921225393
2021	6.513754704934641
2022	7.357914531655255