Year including construction (constant 2010 US$) 1960 1642729174.47146 1961 1788342034.27847 1962 1813927747.49925 1963 1946202794.29922 1964 2118586623.26141 1965 2263387833.74643 1966 2495642470.34282 1967 2707268127.6387 1968 2950603437.81861 1969 3153509600.04811 1970 3256170454.79432 1971 3463720171.91306 1972 3708495232.08771 1973 4058357131.4153 1974 4194815322.55918 1975 4223910323.01647 1976 5002487927.35463 1977 5576890068.8624 1978 5926184890.83994 1979 6301314153.67008 1980 6677822691.76293 1981 6694198524.63756 1982 6278730844.50185 1983 5845847985.41883 1984 5602063693.90187 1985 5510446139.1718 1986 5608369796.84058 1987 5812913772.57821 1988 6056712420.33384 1989 6259677325.45164 1990 6314927675.80794 1991 6467936028.47661 1992 6925132086.50343 1993 7101628179.00618 1994 7292896029.40918 1995 7626730551.39446 1996 7837924587.03155 1997 8240082509.99637 1998 8661888313.43841 1999 8999051191.73051 2000 8964346255.08339 2001 9158106551.75754 2002 9525317034.54603 2003 9676340646.19197 2004 9926346802.00741 2005 10191700568.9756 2006 10732137769.6722 2007 11197596130.4285 2008 11338333211.07 2009 11007860484.5719 2010 11182832917.5819 2011 11574187090.642 2012 11800424704.8846 2013 12365400845.1113 2014 12931210301.753 2015 13413375724.5485 2016 13822939684.9167 2017 14073512153.1659 2018 14467980083.5827