Year current US$ 1983 1980000.01907349 1984 2289999.96185303 1985 2490000.00953674 1986 3660000.08583069 1987 2450000.04768372 1988 310000.002384186 1990 2240000.00953674 1991 -689999.997615814 1992 -239999.994635582 1993 1750000 1994 399999.976158143 1995 -959999.9189376801 1996 6670000.0762939295 1997 480000.07867813227 1998 11510000.0500679 1999 30280000.15020371 2000 17279999.94158746 2001 9149999.94635582 2002 12930000.126361838 2003 20150000.09536744 2004 21100000.11324883 2005 15979999.899864199 2006 18579999.92370606 2007 18439999.99761581 2008 51510000.70571909 2009 21500000.208616238 2010 28030000.12040137 2011 20420000.284910202 2012 24619999.775663007 2013 29929999.94754791 2014 21339999.929070465 2015 20336816.728115078 2016 22906922.78742789 2017 29889998.793601982 2018 28404236.793518025 2019 36009239.19677731 2020 36590214.90812303 2021 28047000.855207447 2022 5382150.165736669