Year including construction (constant 2015 US$) 1960 1728358048.253099 1961 2036566470.5384345 1962 2226492442.08894 1963 2502790315.745618 1964 2876506131.369439 1965 3198674603.410047 1966 3455256314.9014874 1967 3578256826.307977 1968 3760773717.0502906 1969 4211114299.219119 1970 4853229875.697967 1971 5163376327.03314 1972 5086666330.867614 1973 5613055617.9453335 1974 6085218873.922597 1975 6204251627.399363 1976 6508446441.839971 1977 6700221433.552497 1978 7337707958.247491 1979 7897161899.068752 1980 8747584792.833172 1981 9568249499.527136 1982 10595743570.249756 1983 11118970662.5601 1984 11904239507.595116 1985 12836756713.1508 1986 13876549878.11911 1987 15076232642.325214 1988 16556916571.84658 1989 17326981925.84687 1990 18441083213.260506 1991 19387948652.75153 1992 20776901855.6402 1993 21794488158.382935 1994 22640910874.84594 1995 23578894152.294365 1996 24692653208.49547 1997 24612366894.72772 1998 26117479016.358482 1999 27402743300.977 2000 27751220060.351826 2001 29598958874.28839 2002 30147982553.314663 2003 32105521904.985836 2004 37623843787.86736 2005 41018403711.86678 2006 42364462588.482376 2007 45442792345.92842 2008 49431085401.32933 2009 47381797215.699455 2010 49254483064.44726 2011 51655548579.8218 2012 52860363369.56754 2013 53471077696.730316 2014 55790133902.04385 2015 58800706799.27056 2016 62337518347.09477 2017 65209628379.25432 2018 71197850804.66994 2019 71374285218.7262 2020 67273735754.26302 2021 72788646704.74504 2022 77846272314.98288 2023 74921749370.81352