Year % of gross capital formation 1965 32.87396628009386 1966 31.469607870761624 1967 32.72841102897623 1968 25.80471978141901 1969 39.97253405420418 1970 37.07524981158544 1971 29.353405310960817 1972 22.29994116372332 1973 23.065602044677767 1974 19.03957476481138 1975 17.666274197308887 1976 15.76323350686866 1977 15.832310796941387 1978 16.913755955497383 1979 9.919299125578243 1980 9.36703706301881 1981 8.913061296276052 1982 8.034319805260143 1983 7.248856693954574 1984 5.942671417958845 1985 6.323862572251497 1986 9.182171637437312 1987 12.043924123603727 1988 15.057003891705847 1989 11.587173197683043 1990 11.799262451138521 1991 10.431630214601958 1992 8.575991578560943 1993 5.6936616909274225 1994 2.74587649045738 1995 1.6927354026161707 1996 2.5892505970418838 1997 3.8472363296324676 1998 2.778751978488728 1999 4.486538415393074 2000 4.006913309900556 2001 6.339615889980042 2002 3.94441903739463 2003 4.711269328756529 2004 4.592213194005488 2005 5.264827521855412 2006 5.419198100338619 2007 3.565645131764825 2008 3.3264523453410715 2009 4.717563418633938 2010 4.608420565868066 2011 7.679051246589165 2012 8.278455051547274 2013 6.150168668819243 2014 7.690978888824594 2015 4.9826144685856235 2016 7.12139210353952 2017 9.042563371791045 2018 8.230684562986308 2019 11.798054725364853 2020 18.086770966362533 2021 15.03097515227291 2022 16.37343278343341