Year	% of GDP
1977	7.829275752177482
1978	6.922911560615481
1979	7.518815991059796
1980	1.6057271662373518
1981	8.137827060182506
1982	0.9708620766970356
1983	7.382907531205264
1984	7.063254382266819
1985	11.470330261966117
1986	8.630921642766088
1987	8.33457116639648
1988	10.567792827513127
1989	11.95671597199502
1990	10.879640515891296
1991	9.541179723799988
1992	9.84043918310838
1993	12.524607982519923
1994	15.092129101314672