Year including construction (constant 2010 US$) 1975 941041220.313738 1976 1241870029.54446 1977 1551830170.6315 1978 1721775671.30622 1979 1900852636.62959 1980 1992673885.85919 1981 1927232098.78886 1982 1969338156.72124 1983 2008400083.25532 1984 2106309064.11223 1985 2142327390.41731 1986 2174287184.70673 1987 2321911489.65318 1988 2469028395.10246 1989 2576068707.81568 1990 2704922949.55236 1991 2765291655.62914 1992 2905306490.06623 1993 2813485033.11258 1994 2888565298.01325 1995 2921112582.78146 1996 2862331125.82782 1997 2861682119.2053 1998 2910569536.42384 1999 2984304635.76159 2000 2983854304.63576 2001 3148582781.45695 2002 3360847682.11921 2003 3663509933.77483 2004 3916847682.11921 2005 4071470198.6755 2006 4242834437.08609 2007 4504357615.89404 2008 4450556291.39073 2009 3930450331.12583 2010 3762609271.52318 2011 3382490066.22517 2012 2880450331.12583 2013 2323298013.24503 2014 2207019867.54967 2015 2267086092.71523 2016 2565417218.54305 2017 2949589403.97351 2018 3346344370.86093