Year	% of GDP
1970	0.0928289559132762
1971	0.11524031846977618
1972	0.10225348611761964
1973	0.11411987522158856
1974	0.6151654108213184
1975	0.7037204486811505
1976	0.8532430119513738
1977	0.9401597350919312
1978	0.9038552972687426
1979	2.122844885864367
1980	0.8457120266109631
1981	1.3000025916491675
1982	1.0994660605021676
1983	1.4204583877920443
1984	1.3974499996560803
1985	1.6855019536364972
1986	0.7720092292830846
1987	0.9370747968541746
1988	0.6965814243319725
1989	1.1257585217072728
1990	1.4931124879301976
1991	0.9716844074553742
1992	0.7980702824104111
1993	0.6947581795096502
1994	0.657694225231537
1995	0.7104876285626941
1996	0.7882100504256393
1997	0.7024376627907212
1998	0.3532598360745382
1999	0.59151322826338
2000	0.9634693331088058
2001	0.7181504297527749
2002	0.7498926571818579
2003	0.7219025167144961
2004	0.8977741768120222
2005	1.1110134965671514
2006	1.148781169083862
2007	1.033882820253407
2008	1.371252163840072
2009	0.566157956273835
2010	0.7313911924874132
2011	1.1823857625201613
2012	1.1561463658471571
2013	1.0510122370161206
2014	0.8406666027140591
2015	0.3173925380402698
2016	0.1902201889679883
2017	0.27555531265425587
2018	0.3919531411338763
2019	0.2717813658440852
2020	0.12604012822141106
2021	0.28853779147757147