Year including construction (% of GDP) 1965 20.300746568300593 1966 20.659971582247348 1967 20.104212717426314 1968 19.498064789061146 1969 19.43376785785192 1970 18.63608240070953 1971 19.230777011161354 1972 18.855890454302777 1973 18.617264657147267 1974 17.870213417364223 1975 18.242692682410354 1976 18.96028773587463 1977 18.3932855441316 1978 15.957042658445813 1979 20.641727332959853 1980 23.47184749424241 1981 27.610778242526298 1982 30.246258490546236 1983 33.12452431341003 1984 34.64162741540504 1985 34.318041752667675 1986 32.4863427042506 1987 29.052983647941332 1988 28.32096084287911 1989 28.963848812969584 1990 28.755071281463213 1991 28.88150403739529 1992 25.108752883117862 1993 29.129080621385096 1994 30.1027465971064 1995 28.884437560583827 1996 29.826629188601977 1997 28.407483771746005 1998 27.54421740441364 1999 27.46055343161547 2000 28.482700991729708 2001 26.18433160015783 2002 27.475588195907854 2003 28.42339127869354 2004 27.67688546981555 2005 27.965741255750487 2006 28.70456504628695 2007 27.125176889871057 2008 27.600047099857928 2009 26.511253181163724 2010 25.844511730514114 2011 25.776759729944388 2012 26.624872181085973 2013 26.74194592947654 2014 25.707802783902565 2015 25.09148800639777 2016 24.182144570624466 2017 24.26219528631094 2018 24.682231209563216 2019 23.826878053897016 2020 23.038065438078355 2021 24.50256686415804 2022 26.307063431544268 2023 25.196497438936365