Year including construction (constant LCU) 1961 20169160806 1962 15880775831 1963 11360103449 1964 16356844817 1965 22470851477 1966 24522674709 1967 26125885157 1968 29430406617 1969 29729666129 1970 32585023320 1971 34493277805 1972 31104160537 1973 30126470370 1974 34756712563 1975 31400113074 1976 35094550837 1977 31262606892 1978 32602659139 1979 36069484277 1980 33722810487.000004 1981 33707104689 1982 32339498120 1983 30468442574 1984 40711298288 1985 42389462696 1986 46081973258 1987 44830927009 1988 45238758657 1989 50829879185 1990 47426709583 1991 47175947300 1992 46926510900 1993 49906253900 1994 52649962600 1995 53239568800 1996 54416437600 1997 57140858500 1998 57539606100 1999 53392701000 2000 45271868300 2001 41613016300 2002 42636990400 2003 44051443800 2004 47903200700 2005 53299070800 2006 73219624900 2007 63943666900 2008 57508756700 2009 54485827800 2010 51232396500 2011 52486493500 2012 52796838200 2013 56837576968.273094 2014 56753200000 2015 58750000000 2016 58799679417.0259 2017 54364735687.6691 2018 53965556896.598206 2019 53988684113.3781 2020 54867271741.2619 2021 50072661970.3795 2022 53762790951.3949 2023 53505395211.901