Year current US$ 1978 9999.99977648258 1979 19999.9995529652 1980 29999.999329447703 1981 90000.0035762787 1982 230000.004172325 1983 360000.01430511504 1984 409999.99642372096 1985 449999.988079071 1986 540000.021457672 1988 720000.028610229 1989 720000.028610229 1990 569999.992847443 1991 550000.011920929 1992 779999.971389771 1994 660000.026226044 1995 430000.00715255697 1996 649999.976158142 1997 330000.013113022 1998 1149999.97615814 1999 11729999.5422363 2000 3930000.0667572 2001 5699999.80926514 2002 6730000.01907349 2003 5300000.19073486 2004 5690000.05722046 2005 1000000 2006 29999.999329447703 2007 389999.98569488496 2008 1159999.9666214 2009 1600000.02384186 2010 550000.011920929 2011 349999.99403953605 2015 3933039.18838501 2016 1747667.7894592301 2017 6764150.1426696805 2018 5573874.47357178 2019 3049615.1447296096 2020 1264943.8381195099 2021 3406169.89135742 2022 2532000.06484985