Year % of GDP 1960 46.85549687950072 1961 43.74810318664644 1962 43.352353780313834 1963 44.97613826905714 1964 45.94847775175644 1965 45.51687198714515 1966 42.09437493842971 1967 42.49181488363862 1968 41.29332897318509 1969 39.62195565249 1970 39.78622327790974 1971 40.49808886765408 1972 40.772577735328454 1973 41.15149677251657 1974 48.796358852185044 1975 49.81405609832966 1976 48.880753430399906 1977 48.21138623909073 1978 50.95151082984223 1979 54.10700828937453 1980 56.507316512773386 1981 52.19295562705685 1982 47.14181568677902 1983 40.2562021253767 1984 43.39294128922504 1985 47.94826638080455 1986 46.64892791943586 1987 44.971254133808195 1988 45.85131224935276 1989 42.699765345189576 1990 38.21180092417985 1991 34.881609256977555 1992 34.321353499347445 1993 35.69812434604288 1994 37.114609166627915 1995 39.47803377930257 1996 42.19925173252796 1997 42.30133442918307 1998 44.035745336896454 1999 42.25829601726733 2000 46.22072173540766 2001 49.170945185829034 2002 53.46550162943685 2003 45.72386256897895 2004 45.64357522400406 2005 47.4277813970329 2006 53.768141274114534 2007 57.12513913774696 2008 65.97452379962331 2009 49.5875353278801 2010 50.406087162599924 2011 54.63635043589712 2012 55.58261719333446 2013 58.875027630051015 2014 59.499574055059256 2015 56.726676144715626 2016 55.86125750487819 2017 53.53593182937409 2018 54.48554512763406 2019 53.8979964081406 2020 50.68684333644158 2021 56.08462474480351 2022 65.06073541901404 2023 65.72245644413587