Year current US$ 2008 102650631 2009 86522520 2010 104581857 2011 133427057.99999999 2012 78780352 2013 72676207 2014 168393198 2015 89647031 2016 56095790 2017 73845752 2018 125216603 2019 326793593 2020 343563046 2021 526183187.99999994 2022 638950944