Year % GDP 1960 11.999222582300213 1961 14.613205758941476 1962 14.092345453993296 1963 13.45281465417703 1964 13.636044193042206 1965 13.270777479892763 1966 14.049189337730144 1967 13.7519460300986 1968 15.93905164602839 1969 14.014340602846476 1970 12.9805204535238 1971 13.335530203172583 1972 14.325637181409295 1973 15.89815103760337 1974 15.123941562313655 1975 17.36541155145423 1976 18.163754839928227 1977 17.570105102389423 1978 17.427421401892882 1979 17.713343971116807 1980 14.553667647257518 1981 15.709048983178558 1982 16.0220010005164 1983 17.170216814970377 1984 17.42894874157684 1985 17.43568456022107 1990 16.786094878192127 1991 19.934473579909564 1992 22.302432133728896 1993 24.172092941547206 1994 24.056286042574182 1995 27.2730023657642 1996 26.481235609371005 1997 40.77337579496553 1998 37.75540832066671 1999 40.96399254914183 2000 43.89268695070544 2001 38.34664513162724 2002 37.246276658818914 2003 36.40947243742519 2004 36.6980691671087 2005 39.871605828788205 2006 42.056971262190125 2007 50.50243590385406 2008 55.140962479736324 2009 58.13120286038066 2010 61.79306173907059 2011 64.87772061154587 2012 65.82886753395984 2013 62.952280036890315 2014 63.11796914558442 2015 58.47892442074131 2016 59.27175991340518 2017 58.31043262855109 2018 57.840219897246655 2019 58.91081137966747 2020 66.12815266085606 2021 61.99493591669989 2022 63.82576662322626 2023 59.879415796531724