Year current US$ 1979 109999.999403954 2000 1730000.01907349 2001 1970000.02861023 2002 1340000.0333786 2003 3099999.90463257 2004 3380000.1144409203 2005 4789999.96185303 2006 5380000.11444092 2007 6239999.771118159 2008 6659999.84741211 2009 5630000.11444092 2010 9420000.07629395 2011 8020000.45776367 2012 8229999.54223633 2013 7880000.11444092 2014 7889999.8664856 2015 7289999.96185303 2016 7630000.11444092 2017 6550000.19073486 2018 6429999.82833862 2019 9659999.84741211 2020 9310000.4196167 2021 6039999.96185303 2022 6780000.20980835