Year current US$ 1995 1895000000 1996 1888000000 1997 2091000000 1998 2197000000 1999 2296000000 2000 2492000000 2001 2676000000 2002 1967000000 2003 2003000000 2004 1929000000 2005 2023000000 2006 2177000000 2007 2711000000 2008 3318000000 2009 2683000000 2010 3072000000 2011 3661000000 2012 3573000000 2013 3562000000 2014 3590000000 2015 3211000000 2016 3035000000 2017 3148000000 2018 3300000000 2019 3302000000 2020 956000000