Year % GDP 1960 8.153242771057794 1961 8.487197078166126 1962 8.627442351698626 1963 9.156123377160322 1964 10.2270076964938 1965 11.411293208330331 1966 13.404994719089617 1967 16.93364692237055 1968 18.80718753832939 1969 21.25133750873833 1970 22.866352558027728 1971 22.674835196331273 1972 21.87710915489317 1973 20.345432368439933 1974 17.78012937907211 1975 18.075026648953116 1976 18.851024669615786 1977 18.949402910337852 1978 19.417533220479754 1979 18.63381910925076 1980 18.905129545604517 1981 17.620606500171395 1982 18.572791164658586 1983 17.41626105096218 1984 15.456948847994367 1985 12.905459529685778 1986 12.854002041751697 1987 11.463755006200342 1988 13.56952852888353 1989 13.30721321157817 1990 14.315758872994437 1991 16.943490864554963 1992 19.967474738084796 1993 23.105389287680143 1994 26.879101163663897 1995 23.964444650783705 1996 25.785659171081925 1997 32.774101187726785 1998 24.521930995265677 1999 25.05516054422531 2000 23.76039842641331 2001 24.16866754133566 2002 20.85562796719768 2003 12.686170751137752 2004 12.296811185952853 2005 12.280888461823604 2006 11.668286059212939 2007 13.71766496649435 2008 18.75969801385199 2009 21.581430649687395 2010 25.42413905817235 2011 28.95225031819617 2012 31.54630208615371 2013 34.377894278792134 2014 38.13814903696847 2015 43.34964647029981 2016 41.35571913080763 2017 41.15589661780857 2018 44.597477429571214 2019 47.75063350379914 2020 50.71317342975994 2021 49.46270249626521 2022 51.01761236235416 2023 52.552674845382185