Year	% of GDP
1968	-2.7515795761183868
1969	-2.71310459329494
1970	-4.070371324417911
1971	-5.805169616489851
1972	-2.205286574977059
1973	-0.5306737457453319
1974	-2.8448720968752097
1975	-1.3106530901327544
1976	1.0615730059909632
1977	1.9281464707355735
1978	1.1096003065424744
1979	1.5677793575630226
1980	-0.6162598099516862
1981	-5.389799347299565
1982	-7.836670825132906
1983	-7.753714797338822
1984	-3.6624462866619787
1985	-5.184210050921457
1986	1.0960867512989183
1987	0.9237543323019517
1988	-0.5508440530448845
1989	-0.5083449476614822
1990	1.132846276221149
1991	4.7318592335153795
1992	1.542441280203053
1993	-3.1627354997619364
1994	-4.488036368006832
1995	-4.8822411051017465
1996	-4.77722929611857
1997	-5.391621086247779
1998	-4.932281042329612
1999	0.7776896137568305
2000	0.8464615255278536
2001	-1.0593767405092618
2002	-1.3162316381602022
2003	-0.9635986259788886
2004	-0.6614830959579298
2005	-1.3377310705394603
2006	-1.8486662357596082
2007	-2.98192660936311
2008	-2.6792410455695275
2009	-1.9069260175557639
2010	-2.995830912229731
2011	-2.9061144719046235
2012	-3.1400801311259467
2013	-3.236150671050221
2014	-5.198431193417925
2015	-6.372304422308796
2016	-4.451950677515917
2017	-3.182241911148709
2018	-4.20138344687968
2019	-4.584275172660589
2020	-3.4277294591423613
2021	-5.637175907992108
2022	-6.187422334711311
2023	-2.672430652107523