Year	% of GDP
1960	0.8730244400398361
1961	-3.0240936741997873
1962	-3.0725789091001614
1963	-2.156614098634535
1964	0.353079624668272
1965	1.2734584450402144
1966	-0.4122011541632316
1967	-2.270368448365335
1968	-1.5705225007550587
1969	-0.454570052492018
1970	-3.9423605214524744
1971	-2.7726012453979365
1972	-0.6489612336688799
1973	-1.269308784521766
1974	-0.6359570661896243
1975	-10.873087803136414
1976	-18.814335631315515
1977	-20.42523261188481
1978	-13.697465279036884
1979	-12.854471898521993
1980	-8.67019969429493
1981	-12.093634058822182
1982	-12.13079212528204
1983	-7.104698594793911
1984	-9.094320918800786
1985	-8.288622034906993
1986	-6.5158682139190836
1987	-4.694999457956427
1988	-0.14450944648854364
1989	-5.240970152825297
1990	-5.508046405494563
1991	-5.141759977322136
1992	-5.9190069457970305
1993	-5.546953620280933
1994	-5.436550807461016
1995	-6.368585307362435
1996	-3.4235935306053253
1997	-3.3019189142353835
1998	-3.5874881808927768
1999	-3.3095379203904325
2000	-5.046650059300978
2001	-2.7004802986519936
2002	-2.4213682911052423
2003	-2.9788851004602512
2004	-4.85322746283802
2005	-5.502028418344076
2006	-5.414264184558414
2007	-8.494099161708714
2008	-12.89002482567233
2009	-10.936600937608326
2010	-9.964082249687307
2011	-12.916902961229413
2012	-14.027909605379934
2013	-13.351225253208417
2014	-11.627593479081415
2015	-7.29696814544591
2016	-9.653470096842675
2017	-8.960435897101128
2018	-9.598012779055534
2019	-7.812000942060079
2020	-7.25558948247991
2021	-9.264571943639698
2022	-11.49660416281374
2023	-8.30315173315061