Year % GDP 1964 8.00079983127507 1965 9.147584981190763 1966 8.666315704605658 1967 8.758244384129265 1968 8.67789706258427 1969 8.837840966358092 1970 9.021101012911688 1971 10.114216118362709 1972 10.62466569216288 1973 10.731311397281889 1974 7.239980231304489 1975 8.211076991013556 1976 8.400991278792494 1977 5.655961800022672 1978 7.97838107767126 1979 9.25320478974313 1980 9.553547254185242 1981 10.538234464225141 1982 13.735618830123592 1983 13.4175946843966 1984 13.064157414593232 1985 13.169872503201349 1986 17.06693268855835 1987 17.04582266313618 1988 15.639252891553994 1989 21.61131440597656 1990 14.181985803544643 1991 11.678932528767962 1992 11.4543100728684 1993 10.304221168496824 1994 7.622455458411928 1995 7.31079724865694 1996 6.59722866466578 1997 7.518772225411045 1998 11.54029904737382 1999 13.2680039497917 2000 13.037581063389293 2001 15.00937650303933 2002 15.96196003270176 2003 15.291348808769792 2004 13.420207087542694 2005 11.358119012100904 2006 9.56114579696334 2007 9.039797788156351 2008 7.567648730121649 2009 10.46064209453479 2010 10.740526450947266 2011 10.195697292817679 2012 10.371227002844975 2013 9.801415710952796 2014 10.156866876242146 2015 13.607038493615445 2016 18.363099284990803 2017 19.844576753476584 2018 20.51678568741286 2019 22.05160266878988 2020 26.788313245171896 2021 26.186445179872894 2022 30.000523645725927 2023 33.64689688400328