Year % of gross capital formation 1967 51.09614103330311 1968 52.32940291986754 1969 33.793960638678094 1970 37.25085596776275 1971 39.64724096525862 1972 23.968307637556286 1973 20.520169618113947 1974 15.009512908205295 1975 10.795292524081225 1976 8.33107747593895 1977 5.422309613890809 1978 5.92400166465774 1979 6.658191108516361 1980 6.193155386209988 1981 5.273725704872874 1982 4.394454112535364 1983 3.0828581529212506 1984 3.142089233472585 1985 2.7331497725284355 1986 3.1675879105523816 1987 5.835029078802385 1988 6.3627809542401295 1989 6.101882912603145 1990 4.587342391098435 1991 4.820463168204471 1992 4.968343894524631 1993 4.198444485391226 1994 2.8775589180696084 1995 2.0350880727557326 1996 1.4723846010476167 1997 1.219755662732546 1998 4.834523290813243 1999 6.880109964548371 2000 4.48223025603352 2001 4.0321800670570545 2002 3.094628944545893 2003 2.8929806068701804 2004 0.15790081579158924 2005 3.471414444092865 2006 1.3282368776750426 2007 0.5400073995368728 2008 0.5154007698015897 2009 0.41014430708382377 2010 0.5331810848838197 2011 0.12158284118523527 2012 0.02143756263351101 2013 0.0225026430207404 2014 -0.1239159837070346 2015 -0.00970565875510795 2016 -0.03431774130510558 2017 0.08183809511683288 2018 0.2671768629335353 2019 -0.18341494610857936 2020 0.35325496254539146 2021 0.16773689486339846 2022 0.16889636928865587