Year	current US$
1980	29999.999329447703
1990	29999.999329447703
1991	119999.997317791
1992	79999.9982118607
2004	29999.999329447703
2005	59999.9986588955
2006	9999.99977648258
2013	9999.99977648258
2014	9999.99977648258
2015	9999.99977648258
2018	9999.99977648258
2019	9999.99977648258
2020	9999.99977648258
2021	19999.9995529652
2022	9999.99977648258