Year % GDP 1960 19.506684208388123 1961 19.51682282454545 1962 19.867106133400338 1963 18.80528232254098 1964 18.043790262286972 1965 17.255471337929848 1966 16.280011553758154 1967 16.887918179239914 1968 16.19063966219642 1969 13.521615604380898 1970 14.910773692571249 1971 14.44306304263631 1972 13.852872883044757 1973 12.50635104587685 1974 10.936266614908744 1975 12.493516204855549 1976 12.59896622213886 1977 11.70588175491856 1978 12.859171299402776 1979 12.779983406029695 1980 12.958980050342895 1981 12.250589021647995 1982 14.500534121268123 1983 15.967732749817879 1984 17.068866131389488 1985 18.078729061373412 1986 21.293679542284085 1987 21.696788450866965 1988 20.97162091993908 1989 21.620847891813 1990 19.449919978018215 1991 20.12456619989068 1992 21.28946927886028 1993 22.643869549621936 1994 22.30958728847861 1995 22.653323629144953 1996 20.8940434707855 1997 17.222059870360702 1998 19.33375250064551 1999 20.445121326422964 2000 21.160124343476653 2001 18.696525759594707 2002 19.761595367339044 2003 20.03336673714531 2004 19.230489186983288 2005 17.483395277789743 2006 15.65302495232623 2007 14.337376958797229 2008 13.995293458492757 2009 19.407188220903766 2010 21.002658609102248 2011 23.13548462757036 2012 24.389150000755755 2013 22.994061291524982 2014 23.809886147270827 2015 25.74177189508556 2016 30.13061454038103 2017 30.920902273928284 2018 31.01122318518681 2019 32.60242750912454 2020 39.811851967831124 2021 41.364401962443466 2022 39.0579711778527 2023 41.258123228598585