Year including construction (constant 2010 US$) 1965 80475920016.703 1966 88848034245.6144 1967 91327843546.3994 1968 103684155281.323 1969 116067688950.867 1970 126388646742.408 1971 141356698022.536 1972 161628970049.285 1973 189318486281.921 1974 205123356858.96 1975 214928313570.469 1976 240102333397.367 1977 247561935708.722 1978 275362122498.53 1979 294078978724.011 1980 321319001361.092 1981 292889102632.273 1982 292956501872.167 1983 275833595470.312 1984 294041486928.686 1985 318356353567.448 1986 355803966854.679 1987 359547368249.469 1988 350251763073.869 1989 360323824619.41 1990 330770370820.345 1991 316737975727.603 1992 304038980559.345 1993 327878970270.577 1994 354270584811.278 1995 371059167689.859 1996 367479804968.167 1997 383010536380.173 1998 374262206002.728 1999 364687702137.335 2000 380904367496.589 2001 378541167860.391 2002 391513174170.077 2003 390343601296.044 2004 424848318383.356 2005 430776302296.498 2006 437096988119.6 2007 466593746703.047 2008 486090966575.716 2009 466497949636.198 2010 513959754433.834 2011 536129696282.401 2012 533813325488.859 2013 550303539222.374 2014 532953388187.813 2015 494183796668.94 2016 469373495907.231 2017 465102717314.689 2018 466938864654.388