Year	+ (-) (% of GDP)
1972	15.710382513661203
1973	14.836980238139766
1974	48.09861127979573
1977	42.55424079791077
1978	33.72183007762118
1979	29.45992659024903
1980	61.69745351511553
1981	54.02387546096723
1982	20.15356696082182
1983	17.52298013092954
1984	20.546122472727706
1985	11.30243072028577
1986	34.13540056499085
1990	3.7119384986433523
1991	-203.7190939906414
1992	-90.92937284940577
1993	-28.93379171171897
1994	-21.47696564269508
1995	-13.581631521216678
1996	-9.258571867940736
1997	4.822574863957771
1998	-5.577689243027888