Year current US$ 1969 29999.999329447703 1970 59999.9986588955 1971 70000.0002980232 1972 70000.0002980232 1973 119999.997317791 1974 430000.00715255697 1975 569999.992847443 1976 569999.992847443 1977 90000.0035762787 1978 129999.995231628 1979 829999.983310699 1980 1480000.01907349 1981 9999.99977648258 1985 419999.986886978 1986 59999.9986588955 1987 379999.99523162795 1988 449999.988079071 1989 579999.983310699 1990 1279999.97138977 1991 2259999.99046326 1992 2930000.0667572 1993 4760000.228881841 1994 879999.995231628 1995 2990000.00953674 1996 1970000.02861023 1997 3710000.03814697 1998 2470000.02861023 1999 750000 2000 39999.9991059303 2001 2539999.96185303 2002 6500000 2003 5269999.98092651 2004 4840000.15258789 2005 5369999.88555908 2006 4760000.228881841 2007 5519999.98092651 2008 5710000.03814697 2009 4780000.20980835 2010 1470000.02861023 2011 1100000.02384186 2012 1005120.6350326501 2013 1403123.02112579 2014 229519.993066788 2015 346395.999193192 2016 49977.9991805553 2018 1209974.76577759 2019 2248780.01213074 2020 1978813.64822388 2021 2425189.97192383 2022 1703953.6237716698