Year current US$ 1970 189999.99761581398 1971 109999.999403954 1972 250000 1973 189999.99761581398 1974 270000.010728836 1975 430000.00715255697 1976 1529999.97138977 1977 1389999.98569489 1978 850000.023841858 1979 1059999.9427795399 1980 509999.99046325695 1981 639999.985694885 1982 490000.009536743 1983 579999.983310699 1984 490000.009536743 1985 689999.997615814 1986 589999.973773956 1987 1179999.94754791 1988 589999.973773956 1989 1490000.0095367401 1990 2720000.02861023 1991 1669999.95708466 1992 1379999.99523163 1993 2440000.05722046 1994 1740000.0095367401 1995 1429999.94754791 1996 2880000.1144409203 1997 2089999.9141693101 1998 1779999.97138977 1999 939999.997615814 2000 870000.004768372 2001 1139999.98569489 2002 810000.002384186 2003 829999.983310699 2004 1090000.0333786 2005 1029999.97138977 2006 970000.028610229 2007 1100000.02384186 2008 1590000.0333786 2009 839999.973773956 2010 889999.985694885 2011 910000.026226044 2012 920676.469802856 2013 1103706.71749115 2014 1237637.04299927 2015 1307515.02513885 2016 1280916.929245 2017 1753000.02098083 2018 1638900.27999878 2019 2256999.96948242 2020 1952000.02193451 2021 1965000.0333786 2022 1240000.0095367401