Year	% of GDP
1975	2.879377238031535
1976	7.592093724278986
1977	2.4060504786989876
1978	7.370187817676997
1979	6.521117741117422
1980	9.605418735226374
1981	6.397260114314225
1982	6.965557684058083
1983	9.022609114443487
1984	6.026618463687785
1985	6.582107304570539
1986	4.165781820106643
1987	6.494214316728915
1988	6.693721967141582
1989	4.6670208847077195
1990	9.772796451595864
1991	13.325391959499274
1992	10.704570594711166
1993	6.716071063278122
1994	1.9563245416986663