Year current US$ 1979 300000.00074505823 1980 1689999.982714652 1981 4250000.100582836 1982 13010000.009089716 1983 13880000.077188011 1984 35660000.38385394 1985 41779999.20398006 1986 41909998.62924219 1987 57169999.70376493 1988 18759999.632835433 1989 18070000.045001514 1990 33530000.060796767 1991 18309999.79376789 1992 7989999.523386332 1993 13910000.065341618 1994 14810000.438243156 1995 10679999.500513058 1996 23200000.390410397 1997 32129999.423399575 1998 11180000.247433735 1999 15419999.575242396 2000 11030000.263825057 2001 38549999.33578071 2002 22379999.550059438 2003 19139999.9782443 2004 15609999.97705221 2005 29049999.69899655 2006 33269999.776035495 2007 61680000.606924295 2008 48850000.02384193 2009 37469999.68588354 2010 57720000.68426138 2011 96229998.59973788 2012 83900000.09909274 2013 63790000.94532961 2014 88669999.14497136 2015 100005377.03186268 2016 88950692.7020848 2017 74144595.75712678 2018 72361111.64093024 2019 50273528.75471118 2020 56847460.59030299 2021 -2078001.2048781533 2022 -358039.6547912978