Year current US$ 2006 319999.99284744303 2007 1259999.9904632599 2008 1360000.01430511 2009 1129999.99523163 2010 540000.021457672 2011 2759999.99046326 2012 1878200.0541687 2013 2398926.01966858 2015 1842879.77218628 2016 1670984.8642349201 2017 1503239.9892807 2018 764559.030532837 2019 1310024.02305603 2020 788064.301013947 2021 787000.000476837 2022 494500.011205673