Year including construction (constant LCU) 1975 23090427000 1976 22358816000 1977 22520066000 1978 22930289000 1979 24145081000 1980 25856000000 1981 26108000000 1982 26615000000 1983 27543000000 1984 27742000000 1985 28656000000 1986 29226000000 1987 30411000000 1988 32107000000 1989 34583000000 1990 34406000000 1991 30824000000 1992 29936000000 1993 29579000000 1994 30847000000 1995 31137000000 1996 33058000000 1997 36182000000 1998 39119000000 1999 41221000000 2000 45178000000 2001 45670000000 2002 46955000000 2003 48515000000 2004 50915000000 2005 52832000000 2006 57423000000 2007 62201000000 2008 60620000000 2009 49761000000 2010 53809000000 2011 53867000000 2012 49738000000 2013 49478000000 2014 48996000000 2015 49265000000 2016 51169000000 2017 54339000000 2018 53055000000 2019 53429000000 2020 52746000000 2021 52733000000 2022 52462000000 2023 51035000000