Year including construction (annual % growth) 1968 3.8452841578818777 1969 7.803802157499945 1970 3.3833835527374845 1971 7.967773407014448 1972 5.709329960424256 1973 5.675000222173821 1974 6.483289932673003 1975 12.4789649349065 1976 9.54267977656204 1977 7.8142054095797135 1978 -1.316494143487148 1979 6.6297265638499 1980 -1.9815106408352534 1981 2.960834720782927 1982 0.6884636151602166 1983 1.0712230831988308 1984 3.548832122844871 1985 3.1770870149494073 1986 -0.2611021479852411 1987 0.7794056157629683 1988 9.758478590638504 1989 -2.614513798800303 1990 8.01510019097742 1991 0.4918688437058023 1992 2.518437652221621 1993 -0.9465546536784046 1994 3.310761666455406 1995 2.8704685717412417 1996 2.930290429474198 1997 5.805602360915671 1998 3.842902128459457 1999 2.2104885914330623 2000 4.085313723415609 2001 4.134913663497343 2002 2.738835284915126 2003 3.868032892521356 2004 3.624003278880238 2005 4.758984035097541 2006 4.406499020860252 2007 6.446018982577712 2008 5.899699479775194 2009 -6.576742760947781 2010 10.2404206257023 2011 6.301582002267807 2012 0.7642912691835306 2013 0.5926790536685331 2014 3.4795547902276383 2015 1.7535242831270068 2016 1.8950749802276476 2017 3.3857743690979447 2018 3.1471392767613082 2019 4.0673879580419054 2020 -5.231642608928539 2021 7.064899759752308 2022 -1.7024612993507162 2023 0.9602417936103365