Year % GDP 1963 33.67746529013884 1964 37.92196405085489 1965 37.27041158332216 1966 37.48063401263258 1967 35.779308161165204 1968 38.2870497662909 1969 41.800326688052266 1970 45.311516677155446 1971 44.87799246742377 1972 50.25113522758754 1973 59.08268882988958 1974 53.314525305110905 1975 56.006759562085264 1976 57.34033619046349 1977 58.172100873223584 1978 60.19392062124401 1979 64.58952188144477 1980 68.90713424250859 1981 75.3426462836057 1982 80.12077266253105 1983 85.60880760943823 1984 85.32868124916129 1985 87.60535254559159 1986 84.35001846295305 1987 80.57607657603266 1988 76.3526930339888 1989 79.54035737295807 1990 79.16467472333858 1991 79.87110212521071 1992 81.0855367745248 1993 80.97170126354251 1994 81.19024053932552 1995 88.2934969585412 1996 93.74180642994551 1997 96.47030492841596 1998 107.93107365817993 1999 102.70730414864704 2000 96.05246316541933 2001 115.02396734076885 2002 102.02422357287138 2003 104.78280063414844 2004 95.72896576198485 2005 89.2233561956159 2006 84.28705599791327 2007 85.35175960477834 2008 97.86436233124142 2009 96.86137654947245 2010 94.85840269790118 2011 104.70367384157744 2012 112.97354316573586 2013 124.06595156861935 2014 128.129763309946 2015 122.42135384576144 2016 123.71239034120055 2017 120.98227810074167 2018 117.77753036329734 2019 119.23309269179198 2020 129.07160831167238