Year	% of GDP
1961	-0.644626855319474
1962	-0.3668707429855029
1963	0.531999936417795
1964	0.9682545547341745
1965	-0.31063736066208153
1966	-0.1833659269886457
1967	0.7545003125287187
1968	0.9184497414126355
1969	-0.19765775036048033
1970	2.196369067701015
1971	1.3044005882608043
1972	0.5787147091757372
1973	1.089715453743552
1974	-0.0971994451169559
1975	-1.9360863022615569
1976	-0.8998393647280879
1977	-0.35428355948249357
1978	0.2173957896997371
1979	0.4189796551705032
1980	1.697021516511529
1981	0.6667426796757503
1982	3.7693756263186504
1983	3.141110235547665
1984	3.3964232682375655
1985	2.251878398566477
1986	0.9101266543873308
1987	1.1404474036104302
1988	0.7399975115410261
1989	0.02605799168824517
1990	0.15413349513516156
1991	-0.5168337909836941
1992	-0.3397658246524395
1993	0.034402579791897855
1994	1.1716323304359244
1995	3.134360483922364
1996	3.93680640681806
1997	1.9293302973332083
1998	1.9771641579987644
1999	3.607340683806305
2000	5.653113791890697
2001	5.735691787494485
2002	4.410285108240267
2003	3.891875780040837
2004	4.463122621140295
2005	3.9542816302785715
2006	2.752753956703778
2007	2.175690579719331
2008	1.7664027422391735
2009	-1.4427231893410313
2010	-1.8733576383845343
2011	-1.1419549362113972
2012	-1.8894978943249388
2013	-1.5671975645669942
2014	-0.9055104098106318
2015	-2.4649801400894877
2016	-2.3585397028831423
2017	-2.1922405485086007
2018	-1.9490783979045228
2019	-1.4660936399830045
2020	-2.209476493407418
2021	0.008541497574810607
2022	0.13119874993290773
2023	-0.3904227185245697