Year % GDP 1960 0.6822837181322401 1961 0.6321770901848746 1962 0.2625653611412677 1963 0.5734066471324439 1964 0.9213109778288455 1965 0.749630118558065 1966 0.6573551630632247 1967 1.2261136521803013 1968 1.458349073617047 1969 1.7184621527385213 1970 1.407914928682051 1971 1.3035240498705314 1972 1.4863062412606116 1973 1.2633873623500875 1974 0.6304074463703714 1975 2.434220975706878 1976 4.1904775027381245 1977 4.962600354146087 1978 6.425739557984963 1979 7.3039004896389494 1980 8.184031055653534 1981 7.546710553090611 1982 9.009246021750702 1983 12.377799739435188 1984 15.116175591854267 1985 13.936141226176368 1986 14.72189064494224 1987 14.001005178070969 1988 15.092320862408338 1989 17.383859211455306 1990 21.714624373546897 1991 22.72367637804269 1992 24.605773734159854 1993 21.827754935455776 1994 20.654361841366867 1995 16.114174948729616 1996 13.143672864645925 1997 14.462693979814784 1998 16.575452842741228 1999 20.620098711417125 2000 24.255568025985223 2001 21.380720478498326 2002 24.058389774488315 2003 25.306901400109517 2004 23.570723507425274 2005 23.89020206626903 2006 21.216779711574375 2007 20.36955685089839 2008 14.790111644763385