Year current US$ 1980 9999.99977648258 1994 9999.99977648258 1996 9999.99977648258 1997 9999.99977648258 1998 9999.99977648258 2017 709999.978542328 2019 70000.0002980232 2020 180000.00715255702 2021 100000.00149011599 2022 79999.9982118607