Year	% of GDP
1960	-0.194091538791465
1961	0.23969324639729628
1962	0.8355877872124324
1963	0.5732419233990633
1964	0.05976670629950931
1965	-0.06510117621558464
1966	-0.027153043033846913
1967	-0.09403504937344742
1968	0.0251084809494575
1969	0.12004653177611324
1970	-0.3322468896513904
1971	-0.2941672404309976
1972	0.3048824396216734
1973	1.435614315657416
1974	2.731340204632179
1975	-0.6761887826629049
1976	0.7166274499789989
1977	-0.0828222013731974
1978	-0.6771320475333233
1979	1.3991418718540984
1980	-0.053116044076539026
1981	-2.7027805595562366
1982	-1.8194117475904346
1983	-0.41944178211257466
1984	0.25014036540563467
1985	-0.4638990842733204
1986	-1.2370788420901349
1987	0.46759867272090183
1988	-0.24887281970672603
1989	-0.07541599088664341
1990	-0.22387470707394286
1991	-0.461276586205166
1992	0.6252961786072682
1993	-1.3321405631997507
1994	-0.8466769755475738
1995	-1.040429195744661
1996	-0.948258965772002
1997	-0.8889932670829594
1998	-0.47641032853580256
1999	0.652989086189006
2000	1.295523858901678
2001	0.6232389726310643
2002	1.291281977795368
2003	1.4331657869015508
2004	1.53631038126289
2005	2.5656398763703905
2006	3.3330052630227023
2007	2.6776987936179033
2008	2.129201591958214
2009	0.8779419219242506
2010	1.220943595631656
2011	0.8562059254532137
2012	0.3636896415538544
2013	0.051669386303107245
2014	-0.23444714731421357
2015	0.3027581622369553
2016	0.12300909387966996
2017	-0.019972713394746933
2018	-0.1816761022098916
2019	0.029229205588599427
2020	0.8066495449623865
2021	0.9536684040864536
2022	1.0943598280288356
2023	0.5566145160004226