Year including construction (% of GDP) 1968 44.63691728490754 1969 41.94563878745976 1970 41.62614127823162 1971 43.08290019425631 1972 43.170303404767324 1973 47.60815256713036 1974 58.2575690076091 1975 51.182407830784605 1976 51.24504085741355 1977 50.63831836923433 1978 49.583224890571394 1979 51.889552655521165 1980 51.15939748466764 1981 49.187259824408855 1982 45.63827814933326 1983 42.324057116891346 1984 46.77255327658116 1985 45.19435556578826 1986 47.379858209382384 1987 45.18525432173929 1988 48.67001876825726 1989 53.44487178892992 1990 57.74742339732045 1991 53.49224952691234 1992 51.49000007987446 1993 48.66111480163839 1994 40.8673949058301 1995 37.651155375039295 1996 44.7587058654958 1997 46.35358940962733 1998 40.574083517180654 1999 41.94066182938296 2000 46.404848256167305 2001 42.91029316392461 2002 46.654969911674655 2003 48.84170706979975 2004 51.11347643532832 2005 53.08839746965024 2006 51.92766239689948 2007 49.28286267576335 2008 50.612459337483415 2009 40.81209352992335 2010 48.40860227959086 2011 48.632132413378486 2012 45.16019843479756 2013 44.72616122076577 2014 37.24468889238771