Year current US$ 1969 9999.99977648258 1972 9999.99977648258 1973 19999.9995529652 1974 9999.99977648258 1975 9999.99977648258 1976 9999.99977648258 1977 9999.99977648258 1978 29999.999329447703 1979 9999.99977648258 1980 9999.99977648258 1983 600000.023841858 1984 170000.00178813902 1985 39999.9991059303 1986 19999.9995529652 1987 639999.985694885 1988 29999.999329447703 1989 1659999.9666214 1990 2059999.94277954 1991 2529999.97138977 1992 1830000.04291534 1993 180000.00715255702 1994 2529999.97138977 1995 330000.013113022 1996 189999.99761581398 1997 70000.0002980232 1998 50000.0007450581 1999 19999.9995529652 2001 239999.994635582 2002 569999.992847443 2003 150000.005960464 2004 29999.999329447703 2005 209999.993443489 2006 29999.999329447703 2007 59999.9986588955 2009 129999.995231628 2010 159999.99642372102 2011 200000.00298023198 2012 200000.00298023198 2013 629999.995231628 2014 839999.973773956 2015 490000.009536743 2016 699999.988079071 2017 649999.976158142 2018 839999.973773956 2019 819999.992847443 2020 709999.978542328 2021 660000.026226044 2022 2170000.07629395