Year	% of GDP
1970	1.3346321809424817
1971	0.8730328256688029
1972	0.9958935874686495
1973	1.9828388549687286
1974	1.8804103057378336
1975	0.7679963168733457
1976	0.8036416810020764
1977	0.8157626697122236
1978	0.5280490066101383
1979	0.7765116805641464
1980	0.8080140548681711
1981	0.3580338304450066
1982	0.2814876323425301
1983	0.39786004317718754
1984	0.33634931995113077
1985	0.37310649575284577
1986	0.5004461608790498
1987	0.5728526127056034
1988	0.8525096493858594
1989	0.8864442614546375
1990	0.586294016144826
1991	0.5284447108562564
1992	0.5789651505910204
1993	0.4542967984971779
1994	0.5001870504776945
1995	0.2919742226703546
1996	0.2427567326670085
1997	0.1719506841457454
1998	0.12870035550030343
1999	0.1584408621245798
2000	0.1937971389346514
2001	0.17005874614123212
2002	0.20849064430894965
2003	0.17459486123302453
2004	0.28487976471610915
2005	0.38394435168485447
2006	0.7606975188116116
2007	0.7556324713073244
2008	0.7391402744535303
2009	0.71803557180358
2010	1.1277626293430296
2011	1.4891878283202935
2012	1.211744046611209
2013	0.9551629781547786
2014	0.7174565733341282
2015	0.4914640688658427
2016	0.6208529889530846
2017	0.8407484004996532
2018	0.8257882472658209
2019	0.5722147888806474
2020	0.7410207169650599
2021	2.241663165081003