Year current US$ 2007 59999.9986588955 2008 3049999.95231628 2009 4289999.96185303 2010 649999.976158142 2011 29999.999329447703 2012 3306928.3962249802 2013 4459693.43185425 2014 3455663.20419312 2015 3615766.0484314 2016 4878260.13565063 2017 1680334.2103958102 2018 7140751.83868408 2019 3314623.83270264 2020 8921790.12298584 2021 5634850.025177 2022 1970716.35723114