Year % of GDP 1960 28.33436330832263 1961 26.622682280965172 1962 24.405019548430186 1963 24.95121873386364 1964 29.593765756076113 1965 25.617334622791947 1966 28.73110892813766 1967 28.14469255926053 1968 29.747828333590014 1969 35.06513690509165 1970 39.26459427490731 1971 41.02007488660603 1972 41.8998144136275 1973 41.87288124670159 1974 42.777617276569536 1975 49.500845994162354 1976 44.93076087426541 1977 44.19909119238909 1978 46.767251771429116 1979 41.56471302952628 1980 44.68636748712665 1981 39.56137534543872 1982 42.48048937752718 1983 42.95297713554526 1984 43.57623671826772 1985 49.373144476638046 1986 53.62118483620974 1987 56.42426164020409 1988 61.222892936707 1989 60.9154165249109 1990 62.20330833962435 1991 66.78503633977091 1992 68.9142096478576 1993 70.2354990908222 1994 71.04792956240922 1995 76.64475624280995 1996 72.9566386466403 1997 76.43720412485997 1998 74.92330807375971 1999 78.88346450831617 2000 77.01139621958787 2001 77.96063677777406 2002 81.35821878350912 2003 90.93411962939885 2004 96.95507590697319 2005 97.66420206429096 2006 93.11304769041324 2007 93.77276823033294 2008 96.50301504326728 2009 96.2539072499599 2010 97.49133399065065 2011 96.63982130429159 2012 98.56640795604915 2013 96.87283564311161 2014 99.3019993531034 2015 104.05348653466918 2016 106.73984906076583 2017 110.4093779265101 2018 110.96810826359042 2019 117.54810207679046 2020 156.746152758569 2021 159.9490733810391 2022 141.12632473146584 2023 132.67608476736518