Year	% of GDP
1979	4.939625414668089
1980	17.285882829961267
1981	19.81078706346189
1982	19.193559088226294
1983	12.822982172177502
1984	11.37841782245946
1985	11.005309635656015
1986	12.607201605649983
1987	12.637049637505202