Year	% of GDP
1960	-2.3705202012946196
1961	-1.6539902148127532
1962	-1.8628396128117433
1963	-1.6263310732907488
1964	-1.9594465748270369
1965	-1.9040888077564357
1966	-2.529136192137054
1967	-1.9121726774229328
1968	-0.904202463984552
1969	-0.3170910024858353
1970	-0.09611921388557201
1971	-0.33519612430161244
1972	0.3185789258576566
1973	-0.5145696341151018
1974	-1.189248246983384
1975	-0.9998538982737162
1976	0.5718226506559126
1977	0.11824248992315894
1978	-0.2733613734685207
1979	-1.4195282167751944
1980	-3.105474584182422
1981	-2.6352115084643066
1982	-2.159328052267907
1983	-2.015335038323126
1984	-1.4425731583566657
1985	-2.390926201574545
1986	-1.82682857865279
1987	-1.3756522676678535
1988	-1.4200106064791442
1989	-1.135871534783301
1990	-1.399561041907411
1991	0.0007549899358743793
1992	-0.74724519178629
1993	0.01689512325814901
1994	-0.30197454403466367
1995	-1.1795126361254236
1996	-1.1591493281740946
1997	-1.2379522302899428
1998	-1.6625317204443606
1999	-1.911468818691064
2000	-0.906450287751646
2001	-0.8764954856149685
2002	-0.9798950864319194
2003	-0.696608416561172
2004	-1.7855641333512215
2005	-2.79117622520215
2006	-3.1885976548721264
2007	-4.086869181541538
2008	-5.173505918944421
2009	-5.471830894170999
2010	-4.453339999827149
2011	-6.543057374385083
2012	-6.724860405913195
2013	-2.9824093456398253
2014	-2.986259730831324
2015	-2.2965355530562204
2016	-1.7660158920863838
2017	-3.158967275925905
2018	-3.7613121346773943
2019	-2.5768737361295373
2020	-0.39315146992568667
2021	-2.624772122941609
2022	-3.5643442946133668
2023	-2.070641531742953