Year	+ (-) (current LCU)
1972	230000000
1973	238000000
1974	1834000000
1977	1724000000
1978	1438000000
1979	2015000000
1980	4776000000
1981	3774000000
1982	1252000000
1983	1066000000
1984	1320000000
1985	729000000
1986	1776000000
1990	197000000
1991	-6376000000
1992	-5298000000
1993	-2092000000
1994	-1585000000
1995	-1102000000
1996	-873000000
1997	444000000
1998	-441000000