Year including construction (constant 2010 US$) 1970 1190062209.06914 1971 1337734122.03684 1972 1389310760.89083 1973 1545669350.95272 1974 1499521813.95968 1975 1545669350.95272 1976 1602132124.42321 1977 1478891226.8881 1978 1662938179.38244 1979 1787265011.40644 1980 1965882862.03985 1981 2076245690.31575 1982 2177268181.05687 1983 1861419182.29994 1984 1939091000.37922 1985 2079195150.46704 1986 2170139995.69393 1987 2204551543.33158 1988 1740733015.26112 1989 1675350994.8679 1990 1838068509.63809 1991 2104758075.49445 1992 2305328188.11677 1993 2657063461.61278 1994 2770867385.72195 1995 2809703425.04645 1996 2909741435.58363 1997 3077496724.2413 1998 3199590691.93608 1999 3541056870.3745 2000 3450065451.91791 2001 3108268400.26425 2002 3077380906.94083 2003 3292236593.2202 2004 3508465391.6677 2005 3624768961.3444 2006 3952999977.67042 2007 4410604405.92923 2008 5101147430.51323 2009 5268099353.40022 2010 5655200000 2011 6637428779.05777 2012 8023967347.94996 2013 9369876460.63008 2014 10376272761.0554 2015 11493582806.8872 2016 12288542483.1744 2017 13085253429.1259 2018 13430253552.9956