Year current US$ 1993 66000000 1994 71000000 1995 107000000 1996 73000000 1997 104000000 1998 83019996.6430664 1999 84599998.4741211 2000 105849998.47412099 2001 85849998.4741211 2002 89440002.44140631 2003 106180000.30517599 2004 94660003.6621094 2005 116779998.77929701 2006 140500000 2007 227080001.831055 2008 378660003.66210896 2009 523739990.234375 2010 525669982.910156 2011 555960021.972656 2012 504059997.558594 2013 476799987.792969 2014 515020019.53125 2015 336049987.792969 2016 489869995.11718804 2017 596049987.792969 2018 575650024.414063 2019 390480010.986328 2020 717229980.46875 2021 697570007.324219 2022 527479980.46875