Year current US$ 2000 6037383129.08813 2001 10482703084.0263 2002 11784025184.0184 2003 10291287391.2274 2004 12988942640.3728 2005 13851565479.6067 2006 19169322225.0983 2007 18024296376.7723 2008 12282315237.4365 2009 13844300530.3734 2010 23205374066.9158