Year including construction (current US$) 1965 226943200 1966 248009300 1967 269766900 1968 300476800 1969 327017400 1970 355373700 1971 373408300 1972 394278200 1973 493257000 1974 591967800 1975 674259900 1976 877552300 1977 1144470400 1978 1286757600 1979 1485763500 1980 1732284500 1981 1871829900 1982 1851170700 1983 1855628900 1984 1870918200 1985 1912212000.0000002 1986 1452935570.7762558 1987 1406000040 1988 1583282404.5801525 1989 1690980184.659091 1990 1513802572.4972236 1991 1841294582.491529 1992 2089120087.8809738 1993 2266280770.2006063 1994 2555820184.340627 1995 2881485905.0700445 1996 3085660214.736013 1997 3553424625.228821 1998 3878006099.086701 1999 3685641314.5031347 2000 3817494373.102496 2001 5032368847.705944 2002 5557285040.3365 2003 5921089612.008715 2004 6574141747.507329 2005 7387163358.809025 2006 8408414626.462866 2007 9360181650.564085 2008 10826020221.089128 2009 10219334109.737667 2010 11182734381.505753 2011 13098853638.943985 2012 13947517573.326712 2013 12164246983.57375 2014 13417485867.277925 2015 14139563268.348091 2016 14937608035.435032 2017 15695690179.24618 2018 15711652730.057127 2019 16933348521.664745 2020 17356405418.531013 2021 19226457749.468994 2022 21517827303.838135 2023 22697134397.34423