Year	% of GDP
1960	-0.6492541533460132
1961	-0.5512587369991699
1962	-0.3530695854939818
1963	-0.37220981867413894
1964	-0.3032584892013963
1965	-0.46912830868742983
1966	-0.7411267121192715
1967	-0.8347518220366759
1968	-0.7703279321879828
1969	-0.4773293956669322
1970	-0.9461706187849908
1971	-0.5323884740449474
1972	-0.3966529669551173
1973	0.15698558368860205
1974	-0.09294567251683006
1975	-1.1496042988863664
1976	-0.13197898902048877
1977	-0.10540515719726784
1978	-1.4603422021562302
1979	-0.48240412439066205
1980	-0.7095841138093988
1981	-1.4815843039500365
1982	-1.9657980776033313
1983	-2.1047224704872782
1984	-0.3742516177875004
1985	-2.6853038665352713
1986	-1.730034698927021
1987	0.22307727989874948
1988	-0.694182308162592
1989	-0.9207414458096359
1990	0.3325977228373951
1991	0.1940376811151907
1992	0.1713922843293787
1993	-2.085513592585354
1994	-0.47181926535708385
1995	-1.0603053179971873
1996	-0.3107549854413598
1997	2.1707947509081578
1998	5.569096772614177
1999	4.714328752280444
2000	4.20162534984388
2001	3.2421708097958977
2002	3.271949151081998
2003	3.2219400908748526
2004	3.107063169363002
2005	5.1285409221463425
2006	7.184822266145048
2007	7.920825484451669
2008	6.561047562309927
2009	4.426876383015472
2010	3.5574246400724583
2011	2.4438499998225787
2012	2.3297708136080217
2013	2.0743298270128285
2014	2.0347987320109198
2015	3.048398389883758
2016	2.2881839365343275
2017	1.8369579428139708
2018	0.6515384258501484
2019	0.9750151134963545
2020	2.313910201702477
2021	2.24151512663072
2022	2.791726239038727
2023	1.8245593494168055