Year including construction (current LCU) 1977 24560000 1978 23400000 1979 27650000 1980 34970000 1981 37760000 1982 43590000 1983 44830000 1984 46320000 1985 49680000 1986 64090000 1987 74980000 1988 106620000 1989 116240000 1990 140620000 1991 134100000 1992 144120000 1993 151070000 1994 155330000 1995 176020000 1996 182690000 1997 196380000 1998 213570000 1999 246520000 2000 305320000 2001 378120000 2002 371370000 2003 308610000 2004 310720000 2005 328730000 2006 402820000 2007 432410000 2008 460700000 2009 485580000 2010 474010000 2011 472700000 2012 415990000 2013 465460000 2014 549580000 2015 587670000 2016 666400000 2017 750160000 2018 713610000 2019 756830000 2020 552160000 2021 523409999.99999994 2022 576360000 2023 574750000