Year including construction (constant 2010 US$) 1960 1257234613.9056 1961 1481430229.61499 1962 1619585344.95945 1963 1820568729.65847 1964 2092415445.47128 1965 2326765819.20774 1966 2513407359.89325 1967 2602879851.21219 1968 2735645485.56415 1969 3063230252.22829 1970 3530315142.24462 1971 3755920510.52622 1972 3700120462.31899 1973 4083024243.61135 1974 4426483163.72862 1975 4513069446.01586 1976 4734345500.74992 1977 4873845622.2127 1978 5337563267.72891 1979 5744518794.10106 1980 6363129677.17536 1981 6960093990.62255 1982 7707509210.86635 1983 8088112762.34147 1984 8659329573.6946 1985 9337657140.18013 1986 10094018913.4956 1987 10966686876.2422 1988 12043759471.4314 1989 12603917026.1679 1990 13414331687.2671 1991 14103096382.8778 1992 15113442616.2217 1993 15853650770.9053 1994 16469351863.1664 1995 17151655536.0647 1996 17961821251.6966 1997 17903419734.8815 1998 18998261777.8179 1999 19933183074.332 2000 20186670506.8883 2001 21020826026.9265 2002 21587968202.6828 2003 22502567871.9963 2004 26162157052.2816 2005 29331816833.1567 2006 30535903671.9277 2007 32896311338.9592 2008 35683481044.7269 2009 33825487570.4627 2010 34983717514.0838 2011 36560585014.3649 2012 37491952966.6146 2013 37773305670.3301 2014 39484529431.1793 2015 41529839452.6623 2016 43894290466.5875 2017 46279166050.5696 2018 48961076478.0888