Year	including construction (constant LCU)
1968	11881723400
1969	11417049200
1970	12886700900
1971	12783756400
1972	12568995800
1973	13547430700
1974	13048932400
1975	12045353300
1976	12752763400
1977	13280931600
1978	13815090600
1979	14099870600
1980	13382243000
1981	13127213900
1982	12575168100
1983	11541645600
1984	13193042500
1985	13057702400
1986	14045454800
1987	14581864500
1988	15517112500
1989	14033182900
1990	15482876600
1991	17253105200
1992	18345029800
1993	18725808800
1994	18477301900
1995	19473979400
1996	19920859600
1997	19442156000
1998	19382114000
1999	17763481000
2000	18444416000
2001	19034700000
2002	16784805000
2003	15141179000
2004	17806971000
2005	19016861000
2006	20362025000
2007	21203962000
2008	21984152000
2009	20893805000
2010	20192015000
2011	20808338000
2012	21779121000
2013	21688511000
2014	20421357000