Year	% of GDP
1960	-0.43997841444774094
1961	0.5413904867156836
1962	0.415891175738034
1963	0.3353528441055915
1964	0.33442557414540885
1965	-0.6771751043054206
1966	-0.515343893853592
1967	0.05937545796155101
1968	-0.06618225417672305
1969	-0.2241231690528876
1970	-0.3909689924543897
1971	1.1676337161574841
1972	1.4969544549912375
1973	2.648156894002852
1974	-0.5211973644256828
1975	-0.030779870107326794
1976	-1.378485552124544
1977	-1.3645099717940365
1978	1.0805060465360388
1979	-0.7526621378757183
1980	-1.5632295326785148
1981	-0.07805949263518144
1982	-0.43700335843516597
1983	1.8163165569788344
1984	3.194551639867537
1985	1.324191223082667
1986	2.712858923579894
1987	1.4942340314190463
1988	1.2719762565948103
1989	0.12659108947844971
1990	0.021134325445045173
1991	1.0997924544848297
1992	1.1431014568589173
1993	2.6855489076628007
1994	3.3549812332682407
1995	5.647604617854354
1996	5.519225284369419
1997	6.2552600562017
1998	5.701598537789638
1999	5.324500749394788
2000	5.039384988732019
2001	5.253200124134741
2002	5.275530185472549
2003	5.405816276445312
2004	6.790135234545759
2005	6.279483535960233
2006	6.7794525234586125
2007	6.058438480151361
2008	5.609695412385893
2009	5.399101571397059
2010	5.1093287097731945
2011	4.751354983563154
2012	4.772799770029329
2013	4.23795299150777
2014	3.59879080228315
2015	3.8097205237919765
2016	3.0623114537587615
2017	2.5346944299942877
2018	2.2349246298805423
2019	4.184592936615614
2020	4.483602187777486
2021	4.747311520264617
2022	2.7341138005854764
2023	4.39753276821995