Year % of gross capital formation 1970 5.786008488227353 1971 5.976563461070959 1972 5.2347599089446 1973 6.791302699307156 1974 5.6339256607170265 1975 7.10952574690021 1976 5.974734149625953 1977 4.829114247074258 1978 5.065023378175393 1979 5.718381535564687 1980 5.170380897270379 1981 4.079437670162131 1982 4.3589845047341464 1983 4.13259335954532 1984 4.213070401623978 1985 4.818929947022742 1986 5.526641809402873 1987 5.657668940602232 1988 5.257684926864185 1989 5.0705905002928064 1990 6.274965563835375 1991 6.526665215532182 1992 5.136787328411318 1993 3.9800002838470063 1994 4.115797067600439 1995 3.5000139063900195 1996 3.460259362541529 1997 2.413386396834303 1998 2.5974850170058983 1999 2.5428648572368777 2000 2.209240527276954 2001 2.603492109696488 2002 2.609512075104625 2003 2.407228083045557 2004 1.9473815267413586 2005 1.9074092174759492 2006 1.5530174999101987 2007 1.3221181882526496 2008 1.4535162249412255 2009 1.6264237355058508 2010 1.4084780096700469 2011 1.3435045585662224 2012 1.240335620174157 2013 1.6998117246662787 2014 1.558067794148165 2015 1.6206940796344687 2016 1.8005435171985977 2017 1.7037556222476935 2018 1.82371574821531 2019 1.7178857948724142 2020 2.248351930593012 2021 1.9415942578648795