Year current US$ 1975 9999.99977648258 1977 250000 1978 879999.995231628 1979 1750000 1980 1710000.03814697 1981 5250000 1982 9909999.84741211 1983 13220000.2670288 1984 13159999.8474121 1985 22510000.2288818 1986 15800000.1907349 1987 12060000.4196167 1988 14970000.2670288 1989 11869999.8855591 1990 10220000.2670288 1991 20520000.4577637 1992 11590000.1525879 1993 7920000.07629395 1994 8260000.22888184 1995 4599999.90463257 1996 3170000.07629395 1997 2460000.03814697 1998 7460000.03814697 1999 4070000.1716613797 2000 2410000.08583069 2001 4679999.82833862 2002 4900000.09536743 2003 6289999.96185303 2004 26309999.4659424 2005 21760000.2288818 2006 79300003.0517578 2007 70779998.7792969 2008 83910003.6621094 2009 105040000.915527 2010 108269996.64306599 2011 52340000.1525879 2012 29329999.9237061 2013 21459999.084472697 2014 14460000.038146999 2015 12649999.6185303 2016 13640000.3433228 2017 11489999.7711182 2018 12289999.961853001 2019 11689999.5803833 2020 19750000 2021 48889999.3896484 2022 45599998.4741211