Year current US$ 1971 19999.9995529652 1972 29999.999329447703 1973 50000.0007450581 1974 50000.0007450581 1975 159999.99642372102 1976 2279999.97138977 1977 3210000.03814697 1978 5619999.88555908 1979 10119999.8855591 1980 3789999.96185303 1981 330000.013113022 1982 270000.010728836 1983 39999.9991059303 1984 389999.98569488496 1985 29999.999329447703 1986 -230000.004172325 1987 689999.997615814 1988 79999.9982118607 1989 19999.9995529652 1990 9999.99977648258 1991 219999.998807907 1993 109999.999403954 1994 1039999.96185303 1995 810000.002384186 1996 790000.021457672 1997 59999.9986588955 1998 1980000.01907349 1999 920000.016689301 2000 1500000 2001 1090000.0333786 2002 1690000.0572204601 2003 3460000.03814697 2004 1399999.97615814 2005 1299999.95231628 2006 430000.00715255697 2007 150000.005960464 2008 119999.997317791 2009 100000.00149011599 2010 100000.00149011599 2011 79999.9982118607 2012 100000.00149011599 2013 150000.005960464 2014 289999.99165535 2015 170000.00178813902 2016 189999.99761581398 2017 -1179999.94754791 2018 -689999.997615814 2019 -790000.021457672 2020 -519999.980926514 2021 289999.99165535 2022 509999.99046325695