Year current US$ 1995 12867656.848168 1996 -37644162.3952228 1997 86356049.1301386 1998 13832944.3343256 1999 234365920.078762 2000 297391123.271248 2001 398994202.731638 2002 429740346.347525 2003 444968186.68078 2004 406952888.686367 2005 570880532.416869 2006 965981294.448516 2007 1082180431.85167 2008 1049468213.6798 2009 1153647078.92052 2010 1162929363.31036 2011 1138145827.78642 2012 1602918530.83037 2013 1841468550.1362 2014 2060986991.78848 2015 2227294212.02109 2016 2297803996.27606 2017 3104570108.60461 2018 3938424980.56397 2019 4389121330.41514 2020 4132783924.81274 2021 4432402820.84034