Year including construction (constant 2010 US$) 1965 72269505887.4226 1966 78563365705.0831 1967 84378830992.4668 1968 91092870543.8727 1969 98090363917.8269 1970 104777832367.667 1971 106135786867.863 1972 116139905649.007 1973 127911402086.919 1974 135557744843.354 1975 141759400795.657 1976 148600980756.508 1977 150866775716.978 1978 166478163491.085 1979 184680172637.669 1980 199208314390.597 1981 216854767973.151 1982 211191915412.413 1983 190292707060.288 1984 199724275787.067 1985 210679791790.516 1986 198237048687.043 1987 203819989852.446 1988 209472955184.411 1989 222324433703.957 1990 237246570925.643 1991 245221238922.889 1992 255944970238.749 1993 256677480353.611 1994 270935447055.791 1995 241449671447.656 1996 269990283287.487 1997 291300885809.277 1998 308700216509.366 1999 313445641397.473 2000 327227417100.132 2001 320082487506.18 2002 315271178486.828 2003 320818771775.969 2004 333180004072.852 2005 340344259899.738 2006 354399028797.664 2007 357682663963.861 2008 353928985337.545 2009 327470228323.913 2010 342324708056.347 2011 352078158904.824 2012 362093213292.678 2013 361285161001.362 2014 370606751038.986 2015 375178259060.918 2016 376715324577.852 2017 375490910337.204 2018 376101685154.424