Year current US$ 2009 0 2010 0 2011 29169999.9254197 2012 17906607.8728065 2013 27084049.9202022 2014 27775119.0364361 2015 36182106.629014 2016 34046038.8548672 2017 42340601.1182815 2018 47393967.2447741 2019 43409805.7281226 2020 32369262.531399697 2021 60177099.8686552 2022 38460288.14092279