Year current US$ 2006 59999.9986588955 2007 670000.016689301 2008 119999.997317791 2009 1799999.95231628 2010 4510000.228881841 2011 9999.99977648258 2013 -660000.026226044 2014 -660000.026226044 2015 -1059999.9427795399 2016 -1610000.01430511 2017 -509999.99046325695 2018 -529999.971389771 2019 -509999.99046325695 2020 -509999.99046325695 2021 -529999.971389771 2022 -469999.998807907