Year	% of gross capital formation
1970	3.0679640894527593
1971	3.0851569671631407
1972	2.909787427410329
1973	3.0269584019390448
1974	3.3588000030928122
1975	3.7703410749228166
1976	3.3846855760129704
1977	2.9479234295019654
1978	3.3479615493936037
1979	3.5990329791929865
1980	3.4688080510330863
1981	3.020037799003624
1982	3.160783369547736
1983	3.0173422359171442
1984	2.9350349891999605
1985	2.994854649010016
1986	3.486420995704852
1987	3.9072517531371287
1988	3.7080854545398547
1989	3.67840296533797
1990	4.400394750880613
1991	4.837491319638643
1992	4.3061081481203844
1993	3.651363721400258
1994	3.6652574259349637
1995	3.2284679397484264
1996	2.721204727175402
1997	2.281314862382523
1998	2.5411627838528847
1999	2.7088242422706457
2000	2.2910956093984147
2001	2.39253475100705
2002	2.6527641226541228
2003	2.631830152314025
2004	2.2992938448921802
2005	2.9309449291485286
2006	2.2861368652092318
2007	1.6937432113499364
2008	1.499421485097647
2009	1.531812033450216
2010	1.24205094974701
2011	1.1138649654946464
2012	1.0328600278912772
2013	1.0848357719402597
2014	1.0269950631733242
2015	1.053675971468218
2016	1.1015481823546163
2017	1.0690332695055813
2018	0.9921028463317851
2019	0.9576554535912515
2020	1.238853597312175
2021	1.0032349466703503