Year % of gross capital formation 1965 37.73620875509162 1966 35.12952008789891 1967 33.78550212591886 1968 24.8153104795723 1969 28.360465515491594 1970 45.146270919712244 1971 33.355519369051116 1972 38.51498211776933 1973 36.245894597246355 1974 26.871098110722517 1975 17.4770490516935 1976 19.565027630471022 1977 32.10094040196228 1978 23.963295529380172 1979 43.35572089838921 1980 42.37096039575109 1981 40.91181318692471 1982 43.144642180366276 1983 36.38490389973288 1984 32.67128357831462 1985 31.874032649914103 1986 45.05034669899044 1987 51.47251769611339 1988 47.169192608305025 1989 54.76102137918335 1990 54.32187876904834 1991 47.093112632457554 1992 55.17251318887515 1993 36.239982433548604 1994 42.16432259529464 1995 34.32017208300427 1996 26.936023152828543 1997 25.299420391578874 1998 25.51101886923646 1999 28.342486185639643 2000 23.29780011865818 2001 25.914961302198886 2002 27.304493236923754 2003 33.41511115929522 2004 24.078942720156864 2005 18.936108661276617 2006 18.634006344612033 2007 16.912624556152007 2008 14.497147358218005 2009 14.56110935125817 2010 12.529370429577376 2011 12.489163942471688 2012 12.398846912743206 2013 13.278565071246224 2014 12.547777911177803 2015 16.069959821385453 2016 15.369946682932618 2017 11.741167017733149 2018 11.091052363288274 2019 9.421022525117351 2020 17.285036528868954 2021 12.311131854188876 2022 7.793537921787077