Year current US$ 1977 9999.99977648258 1979 50000.0007450581 1980 59999.9986588955 1981 19999.9995529652 1982 9999.99977648258 1983 29999.999329447703 1984 9999.99977648258 1985 19999.9995529652 1986 50000.0007450581 1987 79999.9982118607 1988 19999.9995529652 1989 9999.99977648258 1990 59999.9986588955 1991 90000.0035762787 1992 39999.9991059303 1993 29999.999329447703 1994 70000.0002980232 1995 270000.010728836 1996 779999.971389771 1997 330000.013113022 1998 310000.002384186 1999 250000 2000 189999.99761581398 2001 680000.007152557 2002 620000.004768372 2003 3039999.96185303 2004 2740000.00953674 2005 4340000.15258789 2006 7269999.98092651 2007 13239999.7711182 2008 12939999.5803833 2009 9810000.4196167 2010 10600000.3814697 2011 10380000.1144409 2012 8359999.65667725 2013 9670000.07629395 2014 8560000.4196167 2015 7659999.84741211 2016 3710000.03814697 2017 4429999.82833862 2018 5559999.94277954 2019 4500000 2020 5349999.90463257 2021 6949999.80926514 2022 6900000.09536743