Year	current US$
1969	2750000
1970	5360000.1335144
1971	6320000.17166138
1972	1009999.99046326
1973	4150000.09536743
1974	4719999.79019165
1975	2690000.05722046
1976	310000.002384186
1977	59999.9986588955
1979	39999.9991059303
2016	1392807.0068359398
2017	18513460.1593018
2019	3589474.20120239
2020	11441848.7548828
2021	27144430.1605225
2022	17096134.185791