Year % GDP 1967 23.624822984766045 1969 33.07440912999801 1970 30.65148694972128 1971 26.751573896743555 1972 27.327327037551846 1973 29.082044146436868 1974 26.098926677292827 1975 26.818620131245883 1976 29.04165806150554 1977 28.377805771989557 1978 27.439486656166334 1979 27.49729590722842 1982 30.517824968629323 1983 31.7685598257499 1984 31.643466410136558 1985 32.119502738619715 1986 31.21632377162547 1987 31.192024186706075 1988 32.37418701586894 1989 33.893497509434006 1990 32.55319188529071 1991 34.61669638367789 1992 36.11242588464909 1999 54.504369817863726 2000 56.31863467545265 2001 66.40316425297547 2002 67.98872019463845 2003 73.22885270246564 2004 75.27239919738747 2005 91.0170793104601 2006 100.15876479661696 2007 101.65452750228154 2008 100.60741001263833 2009 103.56361310151746 2010 98.81233666080709 2011 94.36549718347514 2012 89.6648137986036 2013 87.99543221642163 2014 83.61462551369891 2015 82.35579323902942 2016 81.13608904804062 2017 77.55880173942543 2018 68.60677979364395 2019 63.71182828566183 2020 71.0870439967133 2021 64.62084655891381 2022 57.125790817167285 2023 55.38399673220753