Year % GDP 1960 5.844737884326837 1961 4.846352286698583 1962 6.880232981434292 1963 6.345663939802715 1964 7.078783841535087 1965 7.6905753856547685 1966 7.32798048582173 1967 7.574410514109006 1968 10.479102956167177 1969 12.331572531491265 1970 12.127229888926287 1971 20.99069906990699 1972 21.0878534769045 1973 23.19131695667008 1974 26.85203541032915 1975 26.28945321182485 1976 28.51069214222447 1977 28.21695624686621 1978 30.17657992565056 1979 30.873827016803666 1980 31.35595225770192 1981 29.613029505508315 1982 33.24660715581682 1983 32.92421317484762 1984 28.9696394686907 1985 26.637455578341335 1986 31.78823105951959 1987 32.25088825010266 1988 28.173665545425486 1989 31.55127025688203 1990 27.462090033315285 1991 16.58502935916245 1992 18.22873480706776 1993 18.565138203359083 1994 18.657673298454373 1995 18.7956207463778 1996 20.54911457771651 1997 21.676333243695794 1998 22.76657767465931 1999 26.034468665327548 2000 28.61131723917088 2001 31.773112333040775 2002 32.73629189588379 2003 36.87866110187724 2004 23.101362680081188 2005 19.131124704691963 2006 18.14669779849639 2007 20.174363941453635 2008 19.936912393232788 2009 20.77387898175326 2010 21.95165427007472 2011 22.174129109010465 2012 21.727497006900307 2013 22.75514261256209 2014 24.35224363192244 2015 25.038904435275505 2016 25.802773643136838 2017 26.06343281940052 2018 26.005022021269568 2019 27.004661998592596 2020 29.11557964052957 2021 26.854485334638 2022 26.97903739229755 2023 29.64171954307384