Year current US$ 1969 19999.9995529652 1970 29999.999329447703 1971 19999.9995529652 1972 150000.005960464 1973 129999.995231628 1974 180000.00715255702 1975 100000.00149011599 1976 479999.989271164 1977 3500000 1978 2690000.05722046 1979 1460000.03814697 1980 3740000.00953674 1981 829999.983310699 1982 4130000.11444092 1983 1070000.05245209 1984 1879999.99523163 1985 1559999.9427795399 1986 4230000.01907349 1987 629999.995231628 1988 1990000.0095367401 1989 479999.989271164 1990 -180000.00715255702 1991 -219999.998807907 1992 11779999.7329712 1993 3089999.91416931 1994 1320000.05245209 1995 21149999.6185303 1996 13720000.2670288 1997 9159999.84741211 1998 3750000 1999 8590000.15258789 2000 5800000.19073486 2001 4619999.88555908 2002 6050000.19073486 2003 6570000.17166138 2004 7369999.88555908 2005 45090000.1525879 2006 10260000.2288818 2007 16409999.847412098 2008 10659999.8474121 2009 12890000.3433228 2010 41939998.626709 2011 11909999.8474121 2012 14199999.8092651 2013 27979999.5422363 2014 37759998.3215332 2015 32080001.831054702 2016 53729999.5422363 2017 33770000.4577637 2018 24280000.6866455 2019 47659999.8474121 2020 58909999.8474121 2021 30350000.3814697 2022 81639999.3896484