Year US Dollars 2011 394399993.89648 2012 1156430053.71094 2013 1351079956.05469 2014 1924010009.76563 2015 1764219970.70313 2016 1699109985.35156 2017 2294959960.9375 2018 1594959960.9375 2019 1716829956.05469 2020 1821319946.28906 2021 1982569946.28906