Year current US$ 1979 280000.001192093 1980 1049999.99701977 1981 10860000.0813603 1982 17250000.0186265 1983 26449999.971315302 1984 45940000.6085634 1985 59409999.0520626 1986 65279998.7047911 1987 86559999.5199591 1988 23559999.7155368 1989 16350000.269710999 1990 46660000.2795458 1991 12929999.6644258 1992 5959999.60415065 1993 22780000.0179559 1994 15150000.2555549 1995 14839999.6776134 1996 29070000.3802776 1997 29999999.4095415 1998 6430000.34615397 1999 43199999.5689839 2000 14580000.2980977 2001 43059999.871998996 2002 18960000.2486259 2003 17379999.8387694 2004 19989999.903366003 2005 23499999.9254942 2006 40100000.1505017 2007 47650001.0639429 2008 54380001.3959408 2009 31460000.433027703 2010 56950000.2861023 2011 93829999.1711974 2012 84119999.8818338 2013 67470000.3210455 2014 57259998.694062196 2015 67324432.9802692 2016 75635308.7127209 2017 47658317.1337843 2018 60345633.0858171 2019 41080101.490020804 2020 11928547.4792123 2021 -34406000.934541196 2022 -35403279.22627329