Year	% of GDP
1970	0.5215621765672693
1971	0.49911084173088327
1972	1.5481121495327104
1973	1.3137711730999309
1974	1.3044685281084833
1975	1.5551171079429735
1976	1.1302335257710512
1977	1.708538058799839
1978	1.373732616519305
1979	1.0492256803488196
1980	1.5890227183705443
1981	-0.9585126527801687
1982	1.0077323171918895
1983	0.7738520042093179
1984	0.6323991076860677
1985	2.2866556370989404
1986	1.7002005677610466
1987	3.2886547022815806
1988	2.5020854556662235
1989	4.098047523431894
1990	6.170063525674961
1991	1.015757129283228
1992	1.4142396640237092
1993	9.6043832825919
1994	1.0938507043174168
1995	2.810624276165873
1996	3.5332830911039865
1997	4.819569986487266
1998	5.596790360972892
1999	4.758708663032904
2000	3.3799620798305527
2001	3.541386707803076
2002	7.11494136195091
2003	7.078931442532369
2004	5.851688640100438
2005	4.284032189095237
2006	4.827128722374586
2007	9.418111672777314
2008	5.240508112847231
2009	4.532779776327247
2010	8.533196437915763
2011	4.72516156867912
2012	6.789381240850438
2013	7.489325055672665
2014	5.555427918085877
2015	7.447416689842476
2016	3.1625197481389944
2017	4.280501170595743
2018	1.552318867383955
2019	2.3509190433173073
2020	1.3519057740823377
2021	1.7840784611825693
2022	-0.2232867551561613