Year including construction (current US$) 1960 298123229.1666667 1961 327312083.3333334 1962 404676750 1963 415162083.3333334 1964 561389812.5 1965 633370125 1966 664259312.5 1967 587744791.6666667 1968 693164833.3333334 1969 778180875 1970 784982166.6666667 1971 672477520.8333334 1972 381325650 1973 979329777.6635394 1974 1673257331.157419 1975 2258156894.997747 1976 1461842222.2222223 1977 1614547899.159664 1978 1900582718.2539682 1979 2441672036.7936926 1980 3648772609.8191214 1981 4010648714.8102818 1982 3713023952.0958085 1983 3675294612.7946124 1984 4054840000 1985 4527346153.846154 1986 4437333333.333333 1987 4762612903.225806 1988 5298845984.011347 1989 5694953625.853808 1990 6365683503.6058655 1991 6538067226.890756 1992 6886498673.740052 1993 7606494486.772488 1994 7925502152.1197 1995 8946505554.726368 1996 10069682151.589243 1997 10547494145.199062 1998 11326872246.696035 1999 11472233777.038269 2000 11890459153.249851 2001 12193291326.908821 2002 12498572174.821522 2003 13520207253.886011 2004 14831544080.17666 2005 16187800102.797602 2006 17299412624.064404 2007 19505283726.483185 2008 22659081552.937687 2009 25921677676.93262 2010 28768713526.364483 2011 32210129408.17424 2012 33740895940.5849 2013 39460330948.766106 2014 45488277136.90615 2015 52360556880.11309 2016 82403005962.4601 2017 91786372637.44708 2018 102780849643.95091 2019 115388552306.62636 2020 123082487663.81952 2021 138685454821.23486 2022 156077039271.1036 2023 151320650092.53873