Year % GDP 1964 0.19942473021899199 1965 1.7964696761882046 1966 3.053245281976182 1967 3.9279533363245944 1968 5.07922645040549 1969 5.572312684011297 1970 3.874457957258076 1971 3.166739740640128 1972 3.6368856330514827 1973 3.677258561861787 1974 3.3402600268485996 1975 3.716741019585132 1976 2.8516687523916886 1977 0.2786221899338856 1978 2.3510432390209086 1979 5.105311062737932 1980 4.459175068921443 1981 7.30133395708497 1982 8.388639105165039 1983 10.785729897275925 1984 11.301757622428514 1985 11.111023049044967 1986 9.948979963702888 1987 10.018239821464336 1988 9.27555210444579 1989 5.5790611226470075 1990 3.65688732089252 1991 3.7961188873892153 1992 2.3733156459689457 1993 1.2222466090392448 1994 2.6626618461727984 1995 2.540291810415694 1996 5.307069555302166 1997 7.340781796966161 1998 7.637906046976512 1999 9.730939833113746 2000 3.712030585361991 2001 6.163397544631801 2002 3.901565250386722 2003 5.167392650738526 2004 7.42883245846913 2005 8.325909336193684 2006 11.935811894037712 2007 8.465149659460575 2008 4.9165602292664214 2009 7.663399967784755 2010 7.8520115775513215 2011 7.707791429363859 2012 7.730061696007377 2013 6.693698129113638 2014 8.808248221803638 2015 13.776121715584058 2016 18.195973495339384 2017 19.98795092421826 2018 24.39872674871202 2019 28.767796758023835 2020 34.3867541347936 2021 28.88997725431049 2022 31.47895131800319 2023 32.156547651458915