Year current US$ 1971 9999.99977648258 1972 19999.9995529652 1973 39999.9991059303 1974 310000.002384186 1975 180000.00715255702 1976 490000.009536743 1977 629999.995231628 1978 1370000.00476837 1979 1309999.9427795399 1980 2299999.95231628 1981 2650000.09536743 1982 2000000 1983 1889999.98569489 1984 1629999.99523163 1985 1289999.96185303 1986 1419999.95708466 1987 1330000.04291534 1988 2210000.03814697 1989 2380000.1144409203 1990 2569999.9332428 1991 1149999.97615814 1992 2430000.0667572 1993 2640000.10490417 1994 2279999.97138977 1995 2390000.10490417 1996 2500000 1997 2589999.91416931 1998 2460000.03814697 1999 90000.0035762787 2000 19999.9995529652 2001 2369999.8855590797 2002 1409999.9666214 2003 1490000.0095367401 2004 1889999.98569489 2005 1309999.9427795399 2006 70000.0002980232 2007 19999.9995529652 2010 239999.994635582 2011 129999.995231628 2012 90000.0035762787 2013 9999.99977648258 2014 29999.999329447703 2016 29999.999329447703 2019 79999.9982118607 2020 19999.9995529652 2021 29999.999329447703 2022 0