Year current US$ 1995 628000000 1996 665000000 1997 670000000 1998 718000000 1999 734000000 2000 795000000 2001 728000000 2002 695000000 2003 840000000 2004 843000000 2005 905000000 2006 1068000000 2007 1198000000 2008 1203000000 2009 1076000000 2010 1041000000 2011 984000000 2012 947000000 2013 988000000 2014 910000000 2015 974000000 2016 1071000000