Year	% of GDP
1970	0.3334511503834612
1971	-0.08467450360565049
1972	-0.7981380281690141
1973	0.3055534715366897
1974	0.08099307159353347
1975	0.08899981164061027
1976	0.08376577861316552
1977	0.027243589743589747
1978	0.08139618438544174
1979	0.09350054347190893
1980	0.3213858156370269
1981	0
1982	0.09276693455797932
1983	0
1984	0
1985	-0.11364619650141639
1986	0
1987	0
1988	0.07220847062968506
1989	-0.033355565327189064
1990	-0.1373013880437319
1991	0.030104802406995854
1992	0.10498842852520571
1993	1.6954210047388623
1994	2.210287866880896
1995	2.105695181113734
1996	2.0017915780054816
1997	2.791365385412623
1998	3.189155245863742
1999	2.3372263318932283
2000	2.594761749805038
2001	2.59388837097761
2002	2.988527292376918
2003	3.0603319991015674
2004	3.7208507227084726
2005	4.110826110762764
2006	6.457058020260413
2007	6.65659725038112
2008	5.047371901641712
2009	3.3491615513943045
2010	2.0390047106745146
2011	3.208606034438504
2012	4.414385848590155
2013	3.790317096753844
2014	3.245896129592765
2015	2.2776050745834544
2016	2.142530489155896
2017	2.6108891801135123
2018	3.2051281060733747
2019	3.686203712250019
2020	3.168813177887845
2021	4.066737858070368
2022	6.480676161873281