Year	% of GDP
1977	23.262678096307877
1978	22.999793036194376
1982	8.093139270239552
1983	13.170023245730524
1984	7.325172262831975
1985	3.851811543400633
1986	5.36241002798249
1987	10.761008501944943
1988	13.331447443903038
1989	9.148942840146905
1990	2.322174492537116
1991	7.301197062054911
1992	6.904809456773663
1993	4.654491784395718
1994	13.405072784355069