Year including construction (constant 2010 US$) 1960 533322752.618735 1961 520008174.6948 1962 591142328.997507 1963 601356015.19457 1964 615765514.219143 1965 634186088.040258 1966 645494550.928638 1967 764780635.938382 1968 815668738.190665 1969 820775783.462246 1970 855430756.899959 1971 880966012.139727 1972 946628073.661433 1973 1076128249.21434 1974 1130846635.42031 1975 1136318477.89182 1976 1191036864.09779 1977 1347896232.75368 1978 1436112472.55638 1979 1526517814.11562 1980 1471634015.33121 1981 1395477883.53284 1982 1412719867.79287 1983 1496157403.56823 1984 1652518794.94049 1985 1727859236.22233 1986 1897825543.33382 1987 2035350010.4194 1988 2018989116.56443 1989 2083658770.63244 1990 2173669563.13503 1991 2100428705.46876 1992 2286722323.27313 1993 2508046426.88678 1994 2533534460.27852 1995 2750324178.59745 1996 2742960054.14465 1997 2836505196.90479 1998 2915374106.99681 1999 3009066508.75543 2000 3016806992.78116 2001 3030862833.37811 2002 3103317803.46896 2003 3238417537.09705 2004 3351798108.81643 2005 3607729935.13789 2006 3836175853.99066 2007 4077705257.34429 2008 4234321979.83141 2009 3908563433.06496 2010 4024764800.19181 2011 4192173712.61672 2012 4273505042.31743 2013 4355086681.50823 2014 4407189564.59775 2015 4592120141.32845 2016 4762657922.3794 2017 4971444918.9726 2018 5193190245.32162