Year including construction (annual % growth) 1966 5.2683659038660124 1967 1.2990739164316523 1968 12.040563086078706 1969 6.534268452411169 1970 -1.3031781490858094 1971 12.057074644499949 1972 -3.426746571302857 1973 4.182621101269234 1974 5.4205015309130715 1975 3.65253521037927 1976 7.6766071559699185 1977 18.337026745649126 1978 10.442055436765003 1979 43.65964504289957 1980 8.856509200872352 1981 30.67980831746476 1982 17.99094011204727 1983 18.343557240626367 1984 4.920630684689925 1985 8.639538003130554 1986 6.091910737140864 1987 0.5144449711200991 1988 -7.086134382759752 1989 -2.3011196014004724 1990 -6.8000002732016895 1991 -6.599996728799894 1992 -10.400001444102188 1993 -9.941228515707706 1994 -1.8075366115294855 1995 -5.550121746070843 1996 1.5130489775812634 1997 -0.5775881650824033 1998 6.259798965643284 1999 2.2678659352640977 2000 2.07533870909063 2001 1.8728541387293234 2002 12.768759586372497 2003 0.921420141641832 2004 7.158623578617181 2005 -2.8534011143340337 2006 4.687754723116001 2007 -1.648315003918583 2008 -0.1791857160596635 2009 -0.8163816170031453 2010 -1.5329620037036165 2011 -1.5064900726502657 2012 6.597386028170831 2013 3.099047781467874 2014 1.6255433032610966 2015 6.416112905568468 2016 4.953284295349619 2017 1.4101208170862947 2018 2.9325349434258925 2019 3.7613427191481037 2020 2.8295274593363757 2021 3.978256567411492 2022 2.738743242246983 2023 3.8005798983805903