Year current US$ 2005 18329999.4692206 2006 489999.998360872 2007 3659999.89584088 2008 3109999.8913705302 2009 4979999.99113381 2010 5909999.85486269 2011 5689999.87281859 2012 7229999.92594123 2013 12309999.7714162 2014 7320000.03010035 2015 18610000.1130253 2016 18770000.0107288 2017 18000000.121071897 2018 67799999.7381121 2019 77979999.9017268 2020 89489999.2384017 2021 124319999.61659299 2022 162889999.50140718