Year	% of GDP
1977	0.004487703955260175
1978	0
1979	0
1980	0.23339071642880208
1981	0.11605113388717905
1982	0.1445291752454192
1983	0.07150579031487778
1984	0.04198131001571538
1985	0.16589683694304003
1986	0.032365118747596046
1987	0.14024321843552695
1988	0.03707812426901589
1989	0.01855143253093267
1990	0.04355720904991312
1991	0.05213951109912481
1992	0.16715674972864206
1993	0.6028706072718485
1994	0.41279761782116203
1995	0.4713842096670228
1996	0.1922912662183473
1997	0.1445173964074638
1998	0.2147869647446892
1999	0.8348885707190531
2000	-0.7505696059467601
2001	0.53851159693733
2002	0.34635178812235035
2003	0.3492683455352827
2004	0.5084103509397776
2005	0.7392640703901846
2006	0.8368885804940116
2007	3.4444492180992436
2008	1.0846736376096942
2009	1.0780693105997705
2010	1.3016177658973478
2011	1.0031909918844992
2012	1.5933154067483701
2013	1.2845765977747188
2014	2.270351578060245
2015	1.8076619464281365
2016	0.7522069992940345
2017	1.0060655402502237
2018	1.1866208438744905
2019	0.8892591822604176
2020	0.9846634403488017
2021	0.5712237484192799
2022	0.9549281744520861
