Year	% of gross capital formation
1970	4.009228151601533E-06
1971	0
1972	3.1730266719189992E-06
1973	0
1974	7.645147000557383E-06
1975	5.193747843563693E-06
1976	6.450836334980138E-06
1977	1.4773988840154872E-05
1978	2.5170819580595974E-05
1979	2.0796746367807692E-05
1980	3.827549124604908E-05
1981	2.4517742648947353E-05
1982	8.74033658460271E-06
1983	7.972208530317741E-06
1984	7.350666303799871E-06
1985	8.328266336934645E-05
1986	7.694148741257524E-06
1987	1.8500498686705563E-05
1988	3.040770861450417E-06
1989	7.120307128383607E-06
1990	0.0029896754187303566
1991	-0.0003477553630289916
1992	-0.00035242493367751524
1993	-0.0003200324015287908
1994	-0.0007498684465393502
1995	-0.0001193285143601406
1996	-0.00021742831224461925
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0
2022	0