Year including construction (annual % growth) 1966 5.900240726407645 1967 6.000228079022492 1968 8.578618328916505 1969 9.854728529505422 1970 6.394290647310925 1971 6.329478267679619 1972 7.632153690439509 1973 8.543035182015004 1974 4.681257026265342 1975 0.5203772639628284 1976 8.935431486836137 1977 2.470814330628343 1978 -0.7107291959201376 1979 2.3087159148218177 1980 -0.9605296902580562 1981 4.997762273957889 1982 3.2836856393321483 1983 -0.8474213697580524 1984 2.195080546489365 1985 0.7174122374176619 1986 1.73521484361126 1987 4.497998076167335 1988 2.7460454157206726 1989 3.7864012301991323 1990 6.146967544333421 1991 4.99011834509875 1992 3.968863500714548 1993 3.6852121346151705 1994 4.860588039546073 1995 2.665641335102947 1996 7.721576051074109 1997 5.8530557428612155 1998 1.360202350928816 1999 1.838684768532147 2000 5.831904407529294 2001 0.13207902665108406 2002 2.5942682849716903 2003 6.0944356734954965 2004 7.066955828593919 2005 6.310394860163939 2006 7.053869774960631 2007 5.067905317030807 2008 3.1422724108613806 2009 -1.1861068962649028 2010 7.047335435470785 2011 4.558723717198276 2012 3.165245956885073 2013 2.7024274912314468 2014 3.7730650720008185 2015 4.211494326405813 2016 4.863595002182919 2017 4.8986680390841855 2018 3.337213493712383 2019 0.5096685633679812 2020 -3.735628226269654 2021 9.32728432809597 2022 5.31553713907131 2023 3.8262453797836002