Year current US$ 1969 29999.999329447703 1970 280000.001192093 1971 509999.99046325695 1972 569999.992847443 1973 750000 1974 620000.004768372 1975 620000.004768372 1976 1679999.94754791 1977 2089999.9141693101 1978 189999.99761581398 1979 790000.021457672 1980 769999.980926514 1981 3029999.97138977 1982 79999.9982118607 1983 779999.971389771 1984 409999.99642372096 1985 1269999.98092651 1986 2240000.00953674 1987 6519999.98092651 1988 1740000.0095367401 1989 4079999.92370605 1990 779999.971389771 1991 8010000.22888184 1992 11939999.5803833 1993 2880000.1144409203 1994 1409999.9666214 1995 4849999.90463257 1996 1120000.00476837 1997 2470000.02861023 1998 2230000.01907349 1999 1259999.9904632599 2000 2700000.04768372 2001 4469999.79019165 2002 4190000.05722046 2003 4670000.07629395 2004 2380000.1144409203 2005 3740000.00953674 2006 2900000.09536743 2007 4599999.90463257 2008 2740000.00953674 2009 5239999.771118159 2010 3490000.00953674 2011 4510000.228881841 2012 4711369.99130249 2013 5750411.03363037 2014 3600549.9362945603 2015 670830.011367798 2016 3534512.04299927 2017 2521960.02006531 2018 6787248.6114502 2019 10539719.581604 2020 4350631.23703003 2021 11160779.9530029 2022 10689534.1873169