Year	US Dollars
1961	-1259999.99046
1962	-18780000.68665
1963	-7440000.05722
1964	-6260000.22888
1965	-9010000.22888
1966	-9850000.38147
1967	-9770000.45776
1968	90000.00358
1969	2079999.92371
1970	2210000.03815
1971	3049999.95232
1972	3170000.07629
1973	1879999.99523
1974	1580000.04292
1975	1269999.98093
1976	689999.99762
1977	1600000.02384
1978	2420000.07629
1979	2890000.1049
1980	22840000.15259
1981	23590000.15259
1982	14970000.26703
1983	13539999.96185
1984	12510000.22888
1985	11699999.80927
1986	10170000.07629
1987	5659999.84741
1988	8500000
1989	7699999.80927
1990	19139999.38965
1991	16920000.07629
1992	8859999.65668
1993	2690000.05722
1994	5820000.17166
1995	4969999.79019