Year including construction (constant 2010 US$) 1962 1004458446.95416 1963 1053848421.09886 1964 1100937871.96707 1965 1160760789.72129 1966 1210486434.48191 1967 1357970688.21772 1968 1380285107.89306 1969 1453720249.39232 1970 1507785083.64342 1971 1584962207.93635 1972 1788944877.97353 1973 1946260254.24759 1974 2179909863.12842 1975 2237780699.35257 1976 2380418036.68026 1977 2854856620.82773 1978 3270322904.55643 1979 3639780626.48771 1980 4231869036.32771 1981 4590157664.29522 1982 4464381254.82824 1983 4301725275.34708 1984 4431735638.62598 1985 4656039711.92446 1986 4993654482.50636 1987 5388378789.04672 1988 5878170296.06107 1989 5984371159.50121 1990 6423656180.03847 1991 6725513428.34961 1992 6755391717.88184 1993 7065094572.98047 1994 7342816544.53292 1995 7827405140.35987 1996 7966788335.95058 1997 8287138044.83268 1998 8214907716.54937 1999 8104787445.67486 2000 7951705087.25165 2001 7617535756.18226 2002 7534299235.69551 2003 7921149893.64719 2004 8148214369.55034 2005 8143434731.57091 2006 8393098535.00123 2007 8481293311.16833 2008 9180685685.40495 2009 9072680118.97354 2010 9425339364.39081 2011 9912362197.02453 2012 10227424759.7487 2013 10847763590.3865 2014 11283371534.3323 2015 11721461987.7177 2016 12515149753.9446 2017 12954829024.9005 2018 13136368043.2508