Year current US$ 2010 6469119.25832075 2011 245130514.551125 2012 -10861145.3294822 2013 214762391.269009 2014 -188842292.770769 2015 -338424481.159882 2016 -291672244.413075 2017 -69038858.919672 2018 -260157122.784304 2019 -228756085.184992 2020 -203306274.720651 2021 58561115.0280294