Year current US$ 2002 89225732.0647701 2003 96975673.5483045 2004 353781659.800789 2005 375574678.932879 2006 405466493.678279 2007 430285346.649689 2008 420360159.049574 2009 444817438.557593 2020 10149953.8626644 2021 10418163.0142939 2022 10442679.7223741