Year	% of gross capital formation
1970	9.095919644529229
1971	9.703532954675154
1972	7.78547392087541
1973	8.828475456349423
1974	9.2545075209612
1975	15.364908912782719
1976	14.206074894130921
1977	8.620210339159291
1978	8.450319373099676
1979	8.56125240254786
1980	11.161282204274093
1981	7.150269299321339
1982	6.970133313963692
1983	7.149366263901144
1984	6.4685272795488356
1985	5.221507921295097
1986	6.230822018908356
1987	5.560008026688499
1988	5.923221625562262
1989	5.797235518828829
1990	4.949176959022576
1991	8.256331399938134
1992	5.937008085241983
1993	5.36058248306028
1994	5.575430878592099
1995	3.3791700668334355
1996	3.768742062084946
1997	2.965301328242085
1998	3.141655944238151
1999	2.200046212721809
2000	2.2804192684441538
2001	3.007727625446538
2002	3.28155207200185
2003	2.4466367243666545
2004	2.2312281203323643
2005	2.449936650809007
2006	1.9704418720241197
2007	1.82546957774148
2008	1.9982167835323865
2009	2.2029458514347167
2010	1.9279106888939488
2011	1.999356527581005
2012	1.706224938412533
2013	1.838895915140153
2014	1.8590267293668867
2015	1.8907396716952538
2016	1.579595350317751
2017	1.4518396212399598
2018	1.1051903438205948
2019	1.3858809245601706
2020	1.6744000866545194
2021	1.3935444565710744