Year	current US$
1960	0
1961	0
1962	-639999.985694885
1963	300000.011920929
1964	1299999.95231628
1965	3200000.04768372
1966	1440000.0572204601
1967	2240000.00953674
1968	1259999.9904632599
1969	1839999.9421089902
1970	1519999.99955297
1971	1079999.97213483
1972	1069999.95186925
1973	1549999.9988824101
1974	2560000.0414997297
1975	3070000.0301003503
1976	2729999.95574355
1977	-529999.9825656409
1978	7319999.94255602
1979	6139999.98010695
1980	9279999.73297119
1981	7239999.86983836
1982	59999.9986588955
1983	10180000.3051758
1984	3680000.0667572
1985	3680000.09469688
1986	6179999.92519617
1987	-649999.972432852
1988	7809999.96140599
1989	3650000.10468066
1990	6869999.87438321
1991	199689995.41364598
1992	75909999.5661527
1993	17860000.2657622
1994	15189999.8672307
1995	17330000.1434982
1996	14579999.729991
1997	13290000.1555681
1998	3370000.1295656003
1999	16869999.986141898
2000	15099999.9903142
2001	12610000.0813603
2002	60489999.7953326
2003	15169999.8192489
2004	19259999.8228252
2005	14100000.044331001
2006	38810000.5052984
2007	-2060000.1681596
2008	2910000.05230308
2009	-3230000.24445355
2010	-2930000.17106533
2011	-2409999.7784942403
2012	-1929999.91215765
2013	-3080000.10438263
2014	-2420000.01482666
2015	5910000.1566111995
2016	70800002.8207898
2017	10079999.879002599
2018	12680000.036954898
2019	11280000.047758201
2020	14350000.2734363
2021	18070000.4696846
2022	75390001.00642444