Year	current US$
1960	0
1961	0
1962	0
1963	-340000.001713634
1964	4209999.97667968
1965	4060000.21472573
1966	4400000.20898879
1967	4780000.096187
1968	3820000.0077485996
1969	2419999.94032085
1970	5869999.86693263
1971	199999.999254942
1972	-1090000.0333786
1973	610000.014305115
1974	2189999.99761581
1975	3310000.06757677
1976	5030000.0049173795
1977	3500000.0782311
1978	660000.013187528
1979	799999.9839812521
1980	13070000.1846999
1981	6759999.82655048
1982	1629999.9877810501
1983	7180000.23439527
1984	-639999.972656369
1985	-330000.000074506
1986	5859999.9435246
1987	59999.9502301216
1988	329999.962821603
1989	12589999.783784201
1990	12380000.1144409
1991	22679999.738931697
1992	6730000.09730458
1993	7900000.00968575
1994	5210000.0567734195
1995	7670000.1060962705
1996	7229999.8551607095
1997	10479999.966919402
1998	9720000.0397861
1999	16460000.205785
2000	16969999.99322
2001	18639999.9558926
2002	21849999.6513128
2003	-13960000.803694101
2004	17429999.679327
2005	39880000.0231713
2006	14669999.787583899
2007	16029999.980703
2008	18529999.9117851
2009	16279999.8521805
2010	22139999.8664856
2011	18569999.9928474
2012	8989999.74131584
2013	17939999.908208802
2014	12709999.937564101
2015	15030000.0272691
2016	13750000.089406999
2017	20610000.308603
2018	21220000.1440942
2019	20570000.1809746
2020	18999999.9701977
2021	31179999.9251962
2022	56240000.78439715