Year including construction (constant LCU) 1960 299933112.320939 1961 293448016.127698 1962 303175660.42241496 1963 280478096.021488 1964 420925436.01688904 1965 698649993.632948 1966 667382779.491159 1967 705954916.206321 1968 647357342.646216 1969 1385581725.03924 1970 2362563182.0016503 1971 2922821527.72084 1972 3693737405.86559 1973 4478344466.14553 1974 4881193152.544049 1975 5880259550.42482 1976 6651609438.21405 1977 8142375894.76602 1978 9839413499.06998 1979 10895996803.185 1980 13220887723.9404 1981 15545419239.399 1982 19024018248.2028 1983 23303219237.0729 1984 25245220745.3535 1985 26129080163.174 1986 27991325987.7452 1987 30422986293.9068 1988 35399894107.4747 1989 39150462008.7697 1990 40668953626.7537 1991 42544768400 1992 41770117700 1993 41420576800 1994 42477951800 1995 45508668400 1996 45208891300 1997 48180795900 1998 47445920000 1999 50611141400 2000 54055446800 2001 54274902200 2002 61196186300 2003 62319596200 2004 61604146700 2005 65076777700 2006 70152524500 2007 71941823900 2008 70326894400 2009 47999230700 2010 56072603200 2011 61233353200 2012 58945508600 2013 67750805200 2014 71759667600 2015 64213408300 2016 66334794200.00001 2017 69561832100 2018 73343556600 2019 72254214400 2020 57414984500 2021 68511713900 2022 73753500000 2023 75415100000