Year including construction (current LCU) 1977 20938666 1978 25075997 1979 30915954 1980 30542441 1981 36522012 1982 46472141 1983 46335835 1984 49087401 1985 58182079 1986 67700326 1987 82287163 1988 92016294 1989 97019100 1990 99877172 1991 124436000 1992 127907400 1993 124526700 1994 135694100 1995 146436100 1996 154112900 1997 171227500 1998 200445400 1999 226010700 2000 251471100 2001 232024500 2002 242429300 2003 271416500 2004 270334000 2005 429082600 2006 366406700 2007 385487600 2008 391500000 2009 306658000 2010 306210000 2011 280520000 2012 266029999.99999997 2013 304810000 2014 315270000 2015 331760000 2016 348420000 2017 386480000 2018 423090000 2019 446960000 2020 368890000 2021 441030000 2022 534950000.00000006 2023 531620000