Year current US$ 1970 29999.999329447703 1971 800000.0212341546 1972 1250000 1973 1059999.976307154 1974 60000.000521540685 1975 80000.0000745058 1976 789999.9991059303 1977 -110000.00126659831 1978 10000.001639127804 1979 279999.9993294478 1980 129999.99895691869 1981 200000.00111758674 1982 -100000.00149011599 1983 -109999.999403954 1984 -70000.0002980232 1985 100000.00149011599 1986 -119999.997317791 1987 -140000.000596046 1988 -159999.99642372102 1989 70000.0002980232 1990 1199999.995529652 1991 9039999.932050707 1992 11119999.764487144 1993 -170000.00178813902 1994 5730000.114068391 1995 23959999.354556177 1996 12400000.095367437 1997 22600000.292062756 1998 28210000.311955813 1999 46909999.445080794 2000 30990000.48637394 2001 41620000.287890464 2002 21570000.499486923 2003 29349999.375641324 2004 11380000.233650215 2005 3850000.0536441877 2006 4090000.1022964753 2007 7309999.8421967 2008 8329999.852925544 2009 10240000.018849961 2010 7539999.861270192 2011 11320000.227540726 2012 9059999.97258187 2013 7669999.8676776895 2014 9559999.585151672 2015 28870000.00476833 2016 6300000.041723244 2017 15519999.92318456 2018 21590000.31650064 2019 27429999.67746439 2020 15380000.289529584 2021 35129998.322576284 2022 150690002.44140598