Year current US$ 2005 280000.001192093 2006 109999.999403954 2007 200000.00298023198 2008 709999.978542328 2009 29999.999329447703 2010 330000.013113022 2011 469999.998807907 2012 491306.990385056 2013 273254.632949829 2015 78314.9972558022 2016 66681.8991303444 2017 68400.003015995 2018 20308.099687099497 2019 101744.778454304 2022 10045.0003519654