Year including construction (constant 2015 US$) 1970 1542835390.9954662 1971 1734282066.5082703 1972 1801147700.3041894 1973 2003856066.800857 1974 1944028897.4076986 1975 2003856066.8008573 1976 2077056244.4078915 1977 1917282732.6469462 1978 2155887193.7187634 1979 2317068546.208897 1980 2548634542.8779526 1981 2691712506.2743444 1982 2822681352.126952 1983 2413204427.467903 1984 2513900701.2037663 1985 2695536282.5399504 1986 2813440140.6083198 1987 2858052391.1837864 1988 2256742951.6110907 1989 2171979571.835976 1990 2382931855.3511586 1991 2728676859.1428084 1992 2988702483.9694996 1993 3444703589.112034 1994 3592242641.97971 1995 3642590996.231544 1996 3772283532.682074 1997 3989766927.526143 1998 4148053558.7556787 1999 4590741390.0887165 2000 4472777130.857382 2001 4029660306.874911 2002 3989616770.920565 2003 4268162689.451413 2004 4548488734.7336 2005 4699268453.511885 2006 5124797863.8263235 2007 5718051101.178463 2008 6613293594.781504 2009 6832038451.964855 2010 7344004924.870704 2011 8581346294.270685 2012 10377238571.367374 2013 12171121356.579876 2014 13459611976.649954 2015 14907203800 2016 15887425478.735401 2017 16999255016.687353 2018 17461788668.434673 2019 17700580442.07315 2020 11567199510.867273 2021 14990138356.096935 2022 16897721089.054543 2023 19104071832.43381