Year current US$ 2005 7019999.8784810295 2006 9189999.96781349 2007 10419999.9384582 2008 12880000.090226501 2009 15959999.8537451 2010 11750000.1620501 2011 9269999.96602535 2012 8099999.977275729 2013 7969999.92802739 2014 5329999.98703599 2015 3859999.93421137 2016 4680000.11146069 2017 4129999.9933689795 2018 4479999.98368323 2019 4399999.96498227 2020 4309999.8850375395 2021 5859999.95470047 2022 3480000.0209361347