Year	% of GDP
1960	-1.3429441683470023
1961	-2.7933422751754935
1965	-4.414208922982326
1966	-3.4214691748973523
1967	-0.42237739814179237
1968	-3.3903581756884904
1969	-6.308119788891794
1970	-8.378282382493888
1971	-7.772020902999636
1972	-2.355808992108874
1973	-4.435694193332136
1974	-9.153663363797488
1975	-11.352018706972562
1976	-4.26097708892633
1977	-1.9610676601536665
1978	-5.733154557855938
1979	-4.092507427201447
1980	-3.449533650634604
1981	-5.092792853953921
1982	-7.759646841502052
1983	-7.302881907831379
1984	-5.178205128293663
1985	3.436659600794219
1986	3.5833333229804682
1987	-3.287862502181069
1988	-1.6005951587914669
1989	0.3996701610510251
1990	0.26499562433071744
1991	-1.8109711821095276
1992	-1.107560993012809
1993	-3.123239444863044
1994	-3.8207631863011806
1995	-4.566274246704967
1996	-4.516537374305534
1997	-2.754683777479439
1998	-0.8226946636326335
1999	-1.5721583023902506
2000	-1.511661215373956
2001	-1.5088852047952985
2002	-1.0319795075821043
2003	0.4834732723543212
2004	1.6808223772746267
2005	3.0867396334287545
2006	4.390672425530396
2007	2.980623070497419
2008	1.2198734891830776
2009	3.533235152799429
2010	3.4596653885642294
2011	1.704699721699339
2012	0.3746725702801609
2013	2.929103085171838
2014	4.173892855640706
2015	5.318701601155468
2016	3.9551659843430826
2017	3.6861321842072177
2018	2.8937470666620677
2019	3.3202680812153376
2020	4.792462966393915
2021	3.9086924059872405
2022	3.8742105091007666
2023	4.920362111402317