Year current US$ 1978 9999.99977648258 1979 9999.99977648258 1980 70000.0002980232 1981 39999.9991059303 1982 39999.9991059303 1983 9999.99977648258 1984 59999.9986588955 1986 9999.99977648258 1987 9999.99977648258 1989 29999.999329447703 1990 90000.0035762787 1991 550000.011920929 1992 29999.999329447703 1993 59999.9986588955 1994 19999.9995529652 1995 9999.99977648258 1996 389999.98569488496 1998 560000.002384186 1999 680000.007152557 2000 629999.995231628 2001 1509999.9904632599 2002 1409999.9666214 2003 1620000.00476837 2004 1460000.03814697 2005 819999.992847443 2006 899999.976158142 2007 930000.007152557 2008 1460000.03814697 2009 1450000.04768372 2010 1539999.96185303 2011 3670000.07629395 2012 2269999.98092651 2013 2349999.90463257 2014 2470000.02861023 2015 839999.973773956 2016 360000.01430511504 2017 589999.973773956 2018 250000 2019 11460000.038146999 2020 340000.00357627904 2021 509999.99046325695 2022 310000.002384186