Year	% of GDP
1971	13.524830470273391
1972	21.619731300824512
1973	16.85798841048864
1974	50.702163571249415
1975	30.754265375315377
1976	22.435159783287435
1977	16.16313795526608
1978	-2.75588125508464
1979	9.123845796949581
1980	25.22374979691667
1981	21.50257983187887
1982	4.943521886937114
1983	-13.046297136952726
1984	-15.381864600780764
1985	-12.446453122163181
1986	-13.552480322098246
1987	-11.389114794145781
1988	-8.306132678202065
1989	-9.990442449787384
1990	-3.525172616007418
1991	-20.805219423666173
1992	-12.92348904220408
1993	-12.969139598164531
1994	-7.747592201173379
1995	-3.710072153297813
1996	0.4282465851328391
1997	0.18381531286569486
1998	-8.946999316870395
1999	0.25413932811049444
2000	7.554444258394414
2001	5.079595983293651
2002	6.261986267654147
2003	12.996729187338374
2004	20.068619155442263
2005	28.124639235731095
2006	27.353014339297083
2007	23.89692063990434
2008	26.884243433814138
2009	6.602954038161286
2010	14.088188601328872
2011	24.383882084584002
2012	23.40958495190267
2013	18.977992666054767
2014	10.469504263839852
2015	-7.862816226102829
2016	-3.6718080739451797
2017	1.695875714417478
2018	8.617690561242222
2019	4.5853550950562205
2020	-3.479264740736611
2021	4.772398518858488
2022	13.667912369734726
2023	3.1913645788436766