Year	% of GDP
1985	9.901096200419362
1986	9.65902100219478
1987	11.157815359645614
1988	10.744248510119728
1989	10.864804940249236
1990	9.699482267593762
1991	10.933743556755685
1992	10.748585852529656
1993	10.750682040485014
1994	13.78442849341496
1995	12.079570276897634
1996	12.49466932946089
1997	13.497341366230387
1998	12.748033729548212