Year current US$ 1995 1199000000 1996 1218000000 1997 1290000000 1998 1380000000 1999 1486000000 2000 1577000000 2001 1494000000 2002 1482000000 2003 1621000000 2004 1733000000 2005 1783000000 2006 2094000000 2007 2142000000 2008 2222000000 2009 2070000000 2010 2095000000 2011 2060000000