Year	% of GDP
1970	0.41851522350635495
1971	-0.7641581380982257
1972	0.1211664841506321
1973	0.10566523020195807
1974	0.6732902768974872
1975	2.1508534437215667
1976	0.9289726792853882
1977	0.9950044697792837
1978	2.404119960215431
1979	2.2182401855198544
1980	1.958113252841294
1981	-0.28157313805149214
1982	1.3984917261156902
1983	0.0673846599359961
1984	0.09898198722455422
1985	-0.6512670152254084
1986	-0.6516529868128565
1987	0.28684250654065396
1988	0.09452296398274058
1989	-0.07176758246619651
1990	1.1618848239564308
1991	0.34209112528118574
1992	1.665275777307005
1993	-1.1189225376266467
1994	0.2103122715680083
1995	0.09701489941951637
1996	0.35875787683984506
1997	0.8278045370884881
1998	-0.06675400480830618
1999	0.06325458944619286
2000	0.7033429201547777
2001	0.922420853977935
2002	0.2813407364776192
2003	0.5459244666531032
2004	0.6491597429625069
2005	1.1350675431792272
2006	0.8474975301970725
2007	1.728586414112911
2008	3.8790314366318515
2009	8.620890602098566
2010	10.146689915563966
2011	12.164506140303583
2012	8.923679134045544
2013	7.035165632383762
2014	7.575911814336678
2015	5.46761764113717
2016	2.897744783238047
2017	3.028230247275991
2018	3.630373994781344
2019	5.563788727951039
2020	2.6239554528365123
2021	3.9881262800603423
2022	6.258814159798474