Year % GDP 1962 0.2691154210034034 1963 1.7958367516090967 1964 2.018861433232837 1965 3.233103837583789 1966 3.2960727560109304 1967 4.54325326342375 1968 5.392251576607906 1969 6.563967495761227 1970 7.184708993180539 1971 8.01466319797724 1972 9.178052108503614 1973 7.595623986606619 1974 7.658842502530482 1975 7.036344158556497 1976 10.28630107317355 1977 10.827708149779859 1978 13.8768273682114 1979 13.022839883722805 1980 14.574860183382404 1981 14.999079127548855 1982 17.905080125461165 1983 22.549346491944203 1984 28.423665803370536 1985 32.500562052237726 1986 24.517262134635285 1987 19.82450796537202 1988 13.760099527274056 1989 13.98817297883538 1990 17.607345830778172 1991 15.001971652060845 1992 15.328144870688186 1993 18.921723999966265 1994 21.320362529808644 1995 10.743414672654792 1996 7.2429589322749015 1997 6.250312716587841 1998 7.411548580414148 1999 6.581332843390899 2000 4.766105839721055 2001 4.79302794202646 2002 5.289659388131731 2003 5.439609891570397 2004 4.645879282499579 2005 4.681007848922427 2006 3.6279183802382677 2007 3.3165397891462685 2008 2.553303607029077 2009 3.013568921147081 2010 3.585935826980726 2011 6.397421236827157 2012 5.669522161582041 2013 6.010088610738046 2014 4.757952235991198