Year	% of GDP
1960	-0.6460025057206495
1961	-0.5480676782643839
1962	-0.3497479199993574
1963	-0.3686971631820066
1964	-0.29987870089002033
1965	-0.46572851780808033
1966	-0.7376077460053265
1967	-0.831156736517281
1968	-0.7665870931911254
1969	-0.47394372827547393
1970	-0.942531903844734
1971	-0.5289426253084892
1972	-0.39299102950306875
1973	0.16138673291120398
1974	-0.08678393959804609
1975	-1.1434795365726753
1976	-0.12595497438923786
1977	-0.0992192439425903
1978	-1.4518724385253634
1979	-0.4733583005290214
1980	-0.6990677764296258
1981	-1.470321297621357
1982	-1.9553402515924567
1983	-2.0942279664229346
1984	-0.3647794630951111
1985	-2.6754395315684345
1986	-1.7209901679760478
1987	0.23285620735673618
1988	-0.6826850455145532
1989	-0.9090451985944554
1990	0.34435927788571163
1991	0.2067402107602696
1992	0.18472631042653376
1993	-2.0703232632599082
1994	-0.4569640474879151
1995	-1.0450882360849292
1996	-0.296274150608145
1997	2.184706504458262
1998	5.581292153480714
1999	4.726831113083225
2000	4.216195636700068
2001	3.2561645611842245
2002	3.2863646575646754
2003	3.2378860060103705
2004	3.1249883434330243
2005	5.146467547460219
2006	7.202292885308545
2007	7.937723574784663
2008	6.577593953309741
2009	4.440394328685301
2010	3.5728402502898007
2011	2.459912136787967
2012	2.345278216103093
2013	2.089382384420869
2014	2.049043066120582
2015	3.0602831537746376
2016	2.299693192506634
2017	1.8490218401054932
2018	0.664172871264114
2019	0.9868023905820955
2020	2.3241010809045797
2021	2.2527740111914945
2022	2.803486627407345
2023	1.8362078939060282