Year % of gross capital formation 1960 5.290571102114352 1961 8.868498107195332 1962 10.300566443028677 1963 8.839273216319764 1964 7.410886875037091 1965 6.700699630256997 1966 6.555491468542261 1967 7.04829972324539 1968 5.959200557438892 1969 5.306907182054613 1970 4.649277612409979 1971 4.906954520769408 1972 4.700397727378294 1973 5.003833186439816 1974 5.376665256168031 1975 5.735384330660423 1976 5.134801211048573 1977 4.5086212453744645 1978 6.000978414849539 1979 5.938125126689302 1980 5.7392067845338826 1981 4.966680953020537 1982 5.005381701110875 1983 4.65631735943461 1984 4.701807624815634 1985 4.696665405656224 1986 5.621487045035349 1987 6.383796984100969 1988 6.123115715977524 1989 6.045803175027712 1990 6.454153703545779 1991 7.642706118929987 1992 6.742988187416056 1993 5.514128816900074 1994 5.199035880123957 1995 4.67285250642546 1996 3.942043532639429 1997 3.441415993701896 1998 3.7311503191246445 1999 3.961992204608842 2000 3.485587353299096 2001 3.5195658143819557 2002 4.046499361198451 2003 3.9449450285606904 2004 3.552450834066528 2005 4.1530116295178905 2006 3.4184814779845705 2007 2.4902797873917173 2008 2.4255144505461916 2009 2.281934279320281 2010 2.0380118122530257 2011 1.853914218059272 2012 1.6667361431985828 2013 1.7726227474886929 2014 1.8110902975756755 2015 1.730784372257515 2016 1.8786974859248118 2017 1.7644806160672037 2018 1.6311589057338254 2019 1.5824586556626903 2020 1.9163140139087185 2021 1.6541570971084056 2022 1.916859661896677