Year current US$ 1993 109999.999403954 1994 9999.99977648258 1995 179999.9997019763 1996 1049999.9839812515 1997 269999.99210238445 1998 140000.00059604636 1999 9999.99977648258 2000 349999.9959021803 2001 640000.0080466272 2002 639999.9968707561 2003 69999.99843537807 2004 499999.9888241288 2005 189999.99761581427 2006 260000.0035017734 2007 419999.99433755816 2008 290000.0028312204 2009 160000.003874302 2010 89999.99798834321 2011 310000.0061094761 2012 249999.9962747097 2013 300000.00447034824 2014 359999.9994039532 2015 340000.00171363325 2016 439999.9938905239 2017 13369999.84830617 2018 7169999.748468394 2019 5169999.793171877 2020 4819999.90344047 2021 3839999.8992681447 2022 3820000.000298026