Year	% of GDP
1970	2.9106986444212724
1971	2.6236196319018403
1972	2.6842954458476846
1973	3.6858743821174165
1974	2.560030488888889
1975	2.06055267415493
1976	1.0553735551115742
1977	2.3766446189871013
1978	1.469971303047565
1979	0.997418149204846
1980	3.021247242700972
1981	2.9337135549538123
1982	3.08424755817759
1983	2.8445094150483503
1984	1.9791427730760276
1985	1.8991185351720552
1986	0.6225628610150469
1987	1.3718260041997372
1988	2.8470640882950744
1989	2.587957206222781
1990	-2.2727267611657336
1991	-2.904016654951027
1992	2.4661343478009994
1993	-0.1982160555004956
1994	-1.7133665033107655
1995	-1.1512502233558266
1996	-3.391135511515801
1997	-2.879772004241783
1998	1.2300199962859404
1999	-7.595500904538412
2000	0.03523824576242362
2001	2.499415766526525
2002	1.673098412412149
2003	1.7522550127758318
2004	9.253707942566152
2005	5.802969588641354
2006	18.983007970787153
2007	13.741477307700242
2008	19.27858775517734
2009	10.742390599256124
2010	5.671410210849883
2011	5.745828491587354
2012	6.981664396571095
2013	5.818248590994906
2014	7.779724552967476
2015	4.3859923324120516
2016	7.94325933214604
2017	7.240212891357734
2018	8.400381181681976
2019	5.919520976062277
2020	5.400621821552474
2021	9.52129029040505
2022	2.0799601868583486