Year current US$ 1981 100000.00149011599 1982 1059999.9427795399 1983 360000.01430511504 1984 270000.010728836 1985 1789999.96185303 1986 2349999.90463257 1987 4230000.01907349 1988 3210000.03814697 1989 180000.00715255702 1990 1350000.02384186 1991 1789999.96185303 1992 1950000.04768372 1993 2910000.08583069 1994 2400000.09536743 1995 6510000.228881841 1996 6869999.88555908 1997 3289999.96185303 1998 3180000.0667572 1999 3140000.10490417 2000 5260000.228881841 2001 2880000.1144409203 2002 5489999.771118159 2003 6300000.19073486 2004 7690000.05722046 2005 4230000.01907349 2006 3569999.9332428 2007 2900000.09536743 2008 3109999.89509583 2009 5260000.228881841 2010 8260000.22888184 2011 4940000.05722046 2012 12640000.3433228 2013 5389999.8664856 2014 6960000.03814697 2015 10155226.7074585 2016 4831745.14770508 2017 835210.800170898 2018 6352818.96591187 2019 5763947.0100402795 2020 19518728.2562256 2021 22445999.145507798 2022 15844730.3771973