Year % of GDP 1987 -25.928710760881884 1988 -16.45067036560931 1989 -23.787556837516554 1990 -16.93956488330055 1991 -36.71451073511608 1992 -7.850036081804642 1993 2.089624049840165 1994 -0.3787843516070403 1995 -86.99418529405105 1996 -147.9973124876126