Year	current US$
1960	5829999.992623925
1961	4919999.996200204
1962	1819999.9965727332
1963	5190000.008791682
1964	-0.0018626452001626603
1965	4219999.8833239
1966	2440000.0479072304
1967	2619999.967515466
1968	1269999.99769032
1969	1169999.992474914
1970	1289999.9916553535
1971	3510000.0761449346
1972	2790000.0158697334
1973	779999.9974668022
1974	820000.0394135709
1975	-1349999.9996274698
1976	2490000.0765919643
1977	2009999.9960511932
1978	2090000.0054389236
1979	3239999.9331682925
1980	3640000.0732392045
1981	3569999.951869256
1982	3669999.9663978787
1983	4659999.944269654
1984	9269999.746233221
1985	16720000.38996339
1986	14060000.078752639
1987	14989999.88287688
1988	13570000.099018205
1989	14090000.461786993
1990	22449999.64907766
1991	15399999.815970667
1992	-58049997.564405166
1993	12909999.942407016
1994	12180000.076070426
1995	14090000.096708547
1996	10940000.144764777
1997	4549999.946728349
1998	6700000.103563072
1999	3820000.0189244756
2000	4220000.108703965
2001	3559999.9725818653
2002	3960000.125691292
2003	5019999.997690324
2004	6309999.922290457