Year	% of GDP
1970	0.6515341971395971
1971	0.6907730390700986
1972	0.47568602097440543
1973	0.5634239243689706
1974	0.8548522018262825
1975	0.36209889945003076
1976	0.494713528946594
1977	0.5615771738564799
1978	0.5528782279650549
1979	1.1526241111194466
1980	0.15456205920975277
1981	0.09910243645140047
1982	-0.07498703021822539
1983	0.40686252911300586
1984	0.35137570594663614
1985	0.3436837438736953
1986	1.4356085738638609
1987	1.8623455252902155
1988	2.3315902024767756
1989	3.949700566847407
1990	3.075238029729186
1991	2.978908473949315
1992	4.858556825512942
1993	2.1820580351497214
1994	0.560011791229325
1995	4.028461521285425
1996	2.8746700571336303
1997	2.8697621461703737
1998	11.157500195594777
1999	47.35961073754266
2000	36.47147797106258
2001	42.51224046058204
2002	3.452194797509125
2003	12.281732943430853
2004	9.411149009422777
2005	8.435859870284782
2006	12.279198772308613
2007	17.722256045095513
2008	43.15557072838945
2009	6.898948700212085
2010	13.881177526098135
2011	24.670068249918756
2012	8.36327108666319
2013	-2.3705172918715918
2014	-0.07811692993310505
2015	1.5854569674960943
2016	7.258528987057547
2017	-1.0542018420434447
2018	-6.6264548204866855
2019	-4.779160513642321
2020	-4.130478939662057
2021	9.251948608711327
2022	4.56219027177104