Year including construction (constant 2010 US$) 1961 3252334213.67959 1962 3555116436.23241 1963 4161710752.84332 1964 4490239763.02818 1965 5037101532.33275 1966 5198791358.66198 1967 5333704525.85388 1968 5305897995.21128 1969 5041221018.35388 1970 5726085569.36621 1971 6087565335.84601 1972 6561575235.13761 1973 6771062756.17285 1974 6917526489.10003 1975 7451009540.54993 1976 8688902312.68018 1977 9815372774.93378 1978 11030130681.8834 1979 12496862244.8635 1980 13711620151.8131 1981 15650511974.1592 1982 17983572494.0779 1983 18398155579.6044 1984 20293326489.3161 1985 22728416593.4493 1986 25357114085.4811 1987 26087913803.1829 1988 26753268770.0457 1989 28257138893.2721 1990 29991295386.8994 1991 31611309943.0456 1992 33287394213.7864 1993 33788016766.2937 1994 34540442557.725 1995 36423440316.3897 1996 38249213493.0229 1997 40127571414.0402 1998 41974223835.4007 1999 44801536999.2853 2000 47795963213.759 2001 51334078376.7804 2002 53179498713.4789 2003 53954841906.6385 2004 55468268809.6105 2005 57521033015.9131 2006 63573370575.1322 2007 67730323495.1977 2008 72269966188.7017 2009 75372175718.373 2010 78328132936.6519 2011 78717525406.8848 2012 79128495028.2351 2013 79896775464.8413 2014 81635678899.6382 2015 83031915923.1675 2016 83679224520.9603 2017 85467168654.7697 2018 90955800946.4866