Year including construction (current LCU) 1965 15800000 1966 16500000 1967 18100000 1968 18600000 1969 20700000 1970 20800000 1971 21800000 1972 27300000 1973 44600000 1974 51200000 1975 53000000 1976 64000000 1977 76000000 1978 95000000 1979 108000000 1980 109504100 1981 128400000 1982 139700000 1983 140000000 1984 164200000 1985 171300000 1986 258700000 1987 379700000 1988 554900000 1989 683300000 1990 1062160000.0000001 1991 1156451300 1992 1323829100 1993 1633611300 1994 1814720100 1995 2325849400 1996 2505050700 1997 2978288600 1998 3284156400 1999 3474547600 2000 4751745800 2001 5241523000 2002 5930315600 2003 6371451700 2004 7126109600 2005 8040149000 2006 8875941400 2007 9879160800 2008 10774083500 2009 12108375100 2010 12253246700 2011 12872904300 2012 14763167600 2013 15820061300 2014 17094716000 2015 18506451000 2016 19837854400 2017 19883211100 2018 20546420000 2019 22482932800 2020 20579578100 2021 23342013100 2022 26160170400 2023 28406123800