Year current US$ 1970 9999.99977648258 1973 9999.99977648258 1974 19999.9995529652 1975 19999.9995529652 1976 39999.9991059303 1977 29999.999329447703 1978 39999.9991059303 1979 39999.9991059303 1980 90000.0035762787 1981 119999.997317791 1982 750000 1983 469999.998807907 1984 670000.016689301 1985 569999.992847443 1986 550000.011920929 1987 2759999.99046326 1988 4309999.94277954 1989 3789999.96185303 1990 1929999.94754791 1991 8959999.546408655 1992 8399999.776855106 1993 23920000.02786517 1994 187020003.21447846 1995 37530000.49293041 1996 26330000.31113624 1997 25050000.38444996 1998 22309999.868273742 1999 21039999.946951862 2000 148679996.25205994 2001 128300002.9921532 2002 72530000.68664558 2003 56500000.11920933 2004 73510000.64611435 2005 21590000.31650066 2006 25259999.75204467 2007 35950000.12964008 2008 36109999.384731025 2009 25679999.60854649 2010 12829999.81939793 2011 40879999.339580506 2012 32378799.682483066 2013 21964429.974555958 2015 16236446.17199898 2016 30144699.677824967 2017 36064630.09119035 2018 15171713.491901757 2019 23122924.64077473 2020 24064428.448677078 2021 16830769.777297974 2022 4443999.9759197235