Year including construction (% of GDP) 1968 28.48350175913157 1969 28.773917190268094 1970 29.357012215413498 1971 30.558130798721074 1972 31.129678657694132 1973 33.11205333903348 1974 39.645102816683234 1975 37.18345375045054 1976 39.17775284409776 1977 38.13351996715322 1978 35.99406709428256 1979 38.58925365143 1980 38.61701233839116 1981 38.47509753195573 1982 36.14640120086024 1983 34.438702079281505 1984 33.18239336291203 1985 31.30669909784779 1986 29.96218381875368 1987 29.855843911297864 1988 30.951063690111063 1989 31.05387016226065 1990 32.02248162794362 1991 31.8554282865787 1992 31.525735795598546 1993 32.33343622658963 1994 32.238238289692276 1995 32.374824066245274 1996 33.06041023702445 1997 32.985161889436085 1998 31.17767260855855 1999 31.401031829210012 2000 32.39391015882648 2001 31.850941075138817 2002 32.873521022410394 2003 32.48820099660602 2004 33.64200577834908 2005 34.864798105644915 2006 35.94939981640149 2007 35.634203675471184 2008 36.92319041417848 2009 33.73519461011106 2010 34.350970409090415 2011 35.22101558431693 2012 35.010251627626516 2013 33.906898367934616 2014 32.79739812683957 2015 31.941302332544286 2016 31.38570951674321 2017 31.92632000473254 2018 32.882548148743126 2019 31.80617582986901 2020 30.963772464962098 2021 32.63811608354536 2022 34.1978844053888 2023 32.860510724391965