Year current US$ 1975 1159999.9666214 1976 1610000.01430511 1977 2920000.07629395 1978 2980000.01907349 1979 2829999.92370605 1980 340000.00357627904 1981 270000.010728836 1982 289999.99165535 1983 159999.99642372102 1985 9999.99977648258 1986 109999.999403954 1988 9999.99977648258 1989 9999.99977648258 1991 2309999.94277954 1994 90000.0035762787 1996 29999.999329447703 1997 19999.9995529652 1998 310000.002384186 1999 19999.9995529652 2000 9999.99977648258 2001 19999.9995529652 2002 29999.999329447703 2003 50000.0007450581 2004 59999.9986588955 2005 50000.0007450581 2006 349999.99403953605 2007 689999.997615814 2008 349999.99403953605 2012 170000.00178813902 2013 0 2014 19999.9995529652 2015 170000.00178813902 2016 79999.9982118607 2017 140000.000596046 2018 100000.00149011599 2019 79999.9982118607 2020 70000.0002980232 2021 79999.9982118607 2022 70000.0002980232