Year current US$ 1995 8000000 1996 10000000 1997 16000000 1998 7000000 1999 5000000 2000 4000000 2001 8000000 2002 7000000 2003 10000000 2004 4000000 2005 9000000 2006 13000000 2007 67000000 2008 21000000 2009 15000000 2010 8500000 2011 16100000.381469702 2012 18299999.237060502 2013 10500000 2014 10600000.3814697 2015 7599999.90463257 2016 4400000.09536743 2017 90900001.5258789 2018 402500000 2019 416600006.10351604 2020 1070900024.41406