Year current US$ 1970 19999.9995529652 1971 50000.0007450581 1972 79999.9982118607 1973 180000.00715255702 1974 70000.0002980232 1975 400000.00596046395 1976 300000.011920929 1977 50000.0007450581 1978 29999.999329447703 1979 3490000.00953674 1980 29999.999329447703 1981 1070000.05245209 1982 280000.001192093 1983 9999.99977648258 1984 9999.99977648258 1987 9999.99977648258 1988 9999.99977648258 1992 270000.010728836 1993 500000 1994 119999.997317791 1995 439999.997615814 1996 90000.0035762787 1997 1289999.96185303 1998 379999.99523162795 1999 850000.023841858 2000 1360000.01430511 2001 2299999.95231628 2002 4179999.8283386203 2003 2589999.91416931 2004 3160000.08583069 2005 3180000.0667572 2006 3079999.92370605 2007 3029999.97138977 2008 5940000.05722046 2009 4389999.8664856 2010 4030000.2098083496 2011 3730000.01907349 2012 2839999.91416931 2013 3180000.0667572 2014 3480000.01907349 2015 3039999.96185303 2016 7090000.15258789 2017 9770000.45776367 2018 12550000.1907349 2019 4190000.05722046 2020 5110000.1335144 2021 4480000.01907349 2022 819999.992847443