Year % of gross capital formation 1965 31.64226723433878 1966 42.78679269877125 1967 29.38042721698312 1968 34.24406327248716 1969 31.900390571463273 1970 32.122380188049846 1971 23.402870733575178 1972 22.993404808847725 1973 16.09667158934535 1974 16.795052276571948 1975 19.20930969573648 1976 26.496422357725947 1977 18.553158590093155 1978 12.327342826635004 1979 16.398108796967637 1980 18.90448777073857 1981 11.031162348456453 1982 12.930750608755371 1983 7.152903046383523 1984 9.646363169611643 1985 7.170900824363459 1986 7.156526253768268 1987 6.301743043360833 1988 10.779399197674067 1989 24.042474201007344 1990 20.25938136831011 1991 26.15200381403364 1992 41.39059565419927 1993 24.416216062072994 1994 49.458350392773944 1995 23.298754331969068 1996 21.352910556357955 1997 26.20857594721243 1998 23.91921956020547 1999 21.26051833871393 2000 20.761391680622253 2001 22.2761546319142 2002 25.091889321506265 2003 30.64655589921803 2004 21.979703885470524 2005 11.435019144718906 2006 46.17242800480706 2007 43.15654231973828 2008 9.542702655180271 2009 11.499397443028062 2010 10.774023849001843 2011 10.667308438454285 2012 11.001202144993549 2013 11.953121365658069 2014 11.926538411628398 2015 11.298463890161 2016 11.29012393101063 2017 17.334785815023494 2018 14.927891517978969 2019 17.274647246479496 2020 19.450263546147863 2021 13.98366062473537 2022 15.188813192655523