Year including construction (constant 2010 US$) 1960 15538565381.1857 1961 16294890743.8362 1962 18311616703.8118 1963 19702073811.9382 1964 19978125131.4333 1965 19989175684.6386 1966 21517764707.8318 1967 22095368623.4497 1968 22993013560.7456 1969 23866007263.9678 1970 24319929987.9413 1971 26731713225.0079 1972 26151771692.3659 1973 24290603519.8194 1974 25666397393.885 1975 20068017131.546 1976 20858981728.2825 1977 22083680538.3288 1978 23687498327.5739 1979 25845756372.8332 1980 27962787354.2111 1981 29719825313.861 1982 25355706840.3038 1983 25161684627.2946 1984 26937636033.7769 1985 28218012631.1269 1986 29851841031.2812 1987 31112783744.5197 1988 33685924596.1356 1989 36622272846.2172 1990 37232967904.4087 1991 39975009701.6808 1992 43672189927.2463 1993 47007347851.0128 1994 49113733494.4134 1995 53222537249.6273 1996 56755877879.3091 1997 61063077450.8072 1998 63641626169.9562 1999 64334810082.0369 2000 67088599512.915 2001 68237118508.8224 2002 68391810333.1599 2003 69686611256.9243 2004 72340962593.3047 2005 73395090921.717 2006 76313531316.4261 2007 76690988685.6111 2008 77854028192.6676 2009 75693364797.8137 2010 78007185465.0629 2011 80242655198.0686 2012 84088061087.6847 2013 87716036322.1484 2014 88139004076.6315 2015 88946518123.2702 2016 88728423492.6083 2017 88535758865.5775 2018 92317390277.6015