Year current US$ 2007 3759999.99046326 2008 13760000.2288818 2009 9470000.26702881 2010 5670000.07629395 2011 660000.026226044 2012 2870831.96640015 2013 5308344.84100342 2014 1946016.4308548 2015 2107006.78825378 2016 4888958.93096924 2017 2316431.7607879597 2018 5814527.98843384 2019 4735209.94186401 2020 1845839.9772644 2021 2239749.9084472703 2022 1697695.2552795399