Year	current US$
1969	2730000.01907349
1970	7690000.05722046
1971	6579999.92370605
1972	1820000.05245209
1973	649999.976158142
1974	7500000
1975	8539999.96185303
1976	12579999.923706101
1977	6820000.17166138
1978	3630000.1144409203
1979	8100000.38146973
1980	9739999.77111816
1981	10149999.6185303
1982	10789999.961853001
1983	14850000.3814697
1984	9939999.5803833
1985	12880000.1144409
1986	9399999.61853027
1987	819999.992847443
1988	15659999.8474121
1989	8279999.73297119
1990	13560000.4196167
1991	3400000.09536743
1992	2609999.89509583
1993	3720000.02861023
1994	3650000.09536743
1995	3869999.8855590797
1996	2470000.02861023
1997	3990000.00953674
1998	-90000.0035762787
2011	529999.971389771
2012	468983.590602875
2013	482699.990272522
2014	6469.99990567565
2017	35349.9986231327
2021	73389.9995684624
2022	352183.848619461