Year	current US$
1977	9999.99977648258
1978	9999.99977648258
1979	29999.999329447703
1981	19999.9995529652
1982	19999.9995529652
1984	19999.9995529652
1988	9999.99977648258
1989	9999.99977648258
1990	29999.999329447703
1991	289999.99165535
1992	289999.99165535
1993	209999.993443489
1994	209999.993443489
1995	289999.99165535
1996	239999.994635582
1997	200000.00298023198
1998	170000.00178813902
1999	109999.999403954
2000	90000.0035762787
2001	50000.0007450581
2002	9999.99977648258
2010	29999.999329447703
2012	129999.995231628
2014	949999.988079071
2015	1480000.01907349
2019	2619999.8855590797
2020	1509999.9904632599
2021	699999.988079071