Year	current US$
1977	119999.997317791
1980	50000.0007450581
1992	0
1993	9999.99977648258
1994	9999.99977648258
1995	9999.99977648258
1996	9999.99977648258
1997	9999.99977648258
2012	751964.98632431
2013	698644.995689392
2014	553473.234176636
2015	516317.54636764503
2016	552238.285541534
2017	787999.272346497
2018	1374070.04833221
2019	2339504.71878052
2020	1661149.9786377
2021	2120586.39526367
2022	2053709.98382568