Year current US$ 1984 109999.999403954 1985 200000.00298023198 1986 2640000.10490417 1987 1179999.94754791 1988 490000.009536743 1989 39999.9991059303 1990 750000 1992 9999.99977648258 1993 3599999.90463257 1995 159999.99642372102 1996 2970000.02861023 1997 1000000 1998 70000.0002980232 1999 59999.9986588955 2001 3019999.98092651 2002 550000.011920929 2003 3380000.1144409203 2004 1620000.00476837 2005 1129999.99523163 2006 610000.014305115 2007 140000.000596046 2014 660000.026226044 2015 140000.000596046 2016 79999.9982118607 2017 119999.997317791 2018 180000.00715255702 2019 150000.005960464 2020 150000.005960464 2021 159999.99642372102 2022 150000.005960464