Year % of GDP 1978 7.16930211179345 1979 8.699827606572553 1980 8.483059671516257 1981 9.323539813286603 1982 8.631231810365037 1983 7.866705877793656 1984 8.638278408394823 1985 12.544767462974196 1986 8.461595627382252 1987 8.945442684790383 1988 7.216415734193037 1989 3.547824321558039 1990 1.4650233179936136 1991 7.047940175166184 1992 3.4745969101537106 1993 6.2409199322658395 1994 5.371573299011542