Year current US$ 1995 430000000 1996 504000000 1997 478000000 1998 496000000 1999 543000000 2000 542000000 2001 623000000 2002 612000000 2003 697000000 2004 856000000 2005 871000000 2006 1005000000 2007 1304000000 2008 1454000000 2009 1120000000 2010 1285000000 2011 1484000000 2012 1480000000 2013 1322000000 2014 1447000000 2015 1433000000 2016 1571000000 2017 1748000000 2018 1891000000 2019 1779000000 2020 466000000