Year	current US$
1977	140000.000596046
1978	289999.99165535
1979	280000.001192093
1980	29999.999329447703
1981	9999.99977648258
1983	50000.0007450581
1984	79999.9982118607
1987	119999.997317791
1988	9999.99977648258
1989	19999.9995529652
1993	300000.011920929
1994	430000.00715255697
1998	389999.98569488496
2004	39999.9991059303
2007	9999.99977648258
2011	1299999.95231628
2014	90000.0035762787
2015	19999.9995529652
2022	29999.999329447703