Year % of gross capital formation 1960 15.726321802921909 1961 15.124167241421988 1962 15.111345964517223 1963 15.006162058879005 1964 14.445932524500268 1965 13.833448000198365 1966 17.458430234132624 1967 16.605459655642406 1968 13.53029023596256 1969 12.574781257028237 1970 11.69252962735604 1971 11.767206089050225 1972 11.454558422296554 1973 13.81249047348094 1974 14.569052082066833 1975 19.331017712383485 1976 17.79650525282583 1977 14.086341857652018 1978 14.111617311362467 1979 12.994559650499587 1980 14.533070498271098 1981 10.751594942007564 1982 9.869595512999028 1983 9.848491214071359 1984 9.75509092297888 1985 8.996949144337627 1986 10.202856517597034 1987 9.850268877573551 1988 10.014461158474127 1989 9.978718693674784 1990 12.897145602646425 1991 15.911546647079705 1992 13.482393306529044 1993 12.006211251714017 1994 11.74011944155505 1995 9.451442803808838 1996 9.024837802632614 1997 7.070152500363245 1998 7.362302899263934 1999 6.127977936637996 2000 6.243269735230437 2001 6.323019515512785 2002 6.28268087157219 2003 5.858456533019827 2004 5.32164044774465 2005 5.63850500465564 2006 5.795452307110032 2007 3.1603561206673727 2008 3.2690101216166516 2009 3.2663369727793308 2010 3.330805403551919 2011 3.1093834763570003 2012 3.329769837010721 2013 4.091767467396414 2014 3.596635410894107 2015 3.374373462242791 2016 3.1128868652243904 2017 2.9147650720651295 2018 2.552570152042659 2019 2.707086006930223 2020 3.736146290448327 2021 3.1196148960659227 2022 3.8532115366523665