Year	% of gross capital formation
1970	0.052758044301225625
1971	0.056078925290254135
1972	0.05266374377309614
1973	0.03385585501564425
1974	0.027875576726798145
1975	0.028018159611341308
1976	0.024613091272003812
1977	0.0232226954426647
1978	0.01538566686850084
1979	0.01243612615021514
1980	0.01071391993530132
1981	0.020601142987021294
1982	0.006527409095071395
1983	0.0061626957777482574
1984	0.0030839538196724818
1985	0.004278511934241477
1986	0.0029670734828522462
1987	0.003175944067544906
1988	0.00299942802589759
1989	0.005665279369603332
1990	0.0032157504784823265
1991	0.0034314082024639297
1992	0.0005740841035008068
1993	0.0036026379341433283
1994	0.010649527987445447
1995	0.020355374783452455
1996	0.01764945913263657
1997	0.015816308376187048
1998	0.018216730715445648
1999	0.022608480699033796
2000	0.014599479099561606
2001	0.015472435485218747
2002	0.013544977849873473
2003	0.01116623334693365
2004	0.012069017933953782
2005	0.014656636251061698
2006	0.01539020488333269
2007	0.014261050992028452
2008	0.01565391870139387
2009	0.01786038479948383
2010	0.017996326613694245
2011	0.016551232092348947
2012	0.01564437647928893
2013	0.015360557758046806
2014	0.02360067544387858
2015	0.025217028971152293
2016	0.04685091862109481
2017	0.020027164004690536
2018	0.021680146464613432
2019	0.02015845496466738
2020	0.03729647731036449
2021	0.02121058435676777