Year % GDP 1960 11.40174803354856 1961 14.825750884240643 1962 13.535910462990364 1963 13.596588584304225 1964 12.972779188894865 1965 15.641738133720956 1966 14.967303752572914 1967 15.782405881267133 1968 18.60422532570422 1969 20.387585009832872 1970 27.288235294117648 1971 27.066017721203046 1972 28.49479843953186 1973 19.25058310516175 1974 15.806248027769012 1975 9.964557945331846 1976 17.828109201213348 1977 18.96383222892681 1978 27.619253450245452 1979 23.106686508954688 1980 27.383655158962355 1981 24.085318576402088 1982 37.181630516950634 1983 44.41172858877625 1984 62.20010087335085 1985 79.03959146890959 1986 70.68575945883741 1987 59.17290466048609 1988 36.327702139781884 1989 31.55702468261111 1990 27.07663754807549 1991 20.42803404757931 1992 17.779673331001263 1993 18.204783023770105 1994 14.452075771436926 1995 12.454433206357546 1996 7.974718357055079 1997 5.188426557434657 1998 4.260883756471047 1999 0.003467253983679489 2000 -3.1782300472130376 2001 0.9311011819204771 2002 3.7028329032708687 2003 3.8810683294807213 2004 4.490625239266835 2005 7.2607708382289875 2006 5.737388815132495 2007 4.806290140278438 2008 1.8831099416452213 2009 2.7443515931388243 2010 3.6558154030848993 2011 14.095113063752798