Year current US$ 2010 11063329928.498466 2011 13081819491.019814 2012 13443630641.307093 2013 14635775822.13988 2014 14177108042.242079 2015 10763037129.745514 2016 10775012608.139038 2017 12155667202.521671 2018 11831780456.789816 2019 9847672614.42979 2020 6766864952.112923 2021 7954047676.030661 2022 10383529089.196493