Year	current US$
1960	-5559999.94277954
1961	-2890000.10490417
1962	-3589999.91416931
1963	9210000.03814697
1964	-3549999.95231628
1965	-10399999.6185303
1966	-4219999.79019165
1967	-3849999.90463257
1968	-4570000.17166138
1969	-4940000.05722046
1970	-4860000.1335144
1971	-1269999.98092651
1972	-1529999.97138977
1973	490000.009536743
1974	289999.99165535
1975	280000.001192093
1976	109999.999403954
1977	39999.9991059303
1978	29999.999329447703
1979	9999.99977648258
1980	70000.0002980232
1990	19999.9995529652
1991	140000.000596046
1992	200000.00298023198
1993	140000.000596046
1994	239999.994635582
1995	180000.00715255702
1996	250000
1997	230000.004172325
1998	189999.99761581398
1999	259999.990463257
2000	9520000.45776367
2001	29999.999329447703
2007	959999.978542328
2008	980000.019073486
2009	990000.009536743
2010	540000.021457672
2011	1190000.0572204601
2012	3240000.00953674
2013	1480000.01907349
2014	1580000.04291534
2015	2410000.08583069
2016	1360000.01430511
2017	3420000.07629395
2018	3170000.07629395
2019	5630000.11444092
2020	4670000.07629395
2021	4550000.19073486
2022	2029999.97138977