Year National currency (Billions) 2011 2.522 2012 -4.665 2013 -1.261 2014 -3.801 2015 -8.600 2016 -24.449 2017 13.996 2018 -0.669 2019 9.066 2020 -40.466 2021 -165.283 2022 193.731 2023 577.535 2024 541.421 2025 638.026 2026 952.869 2027 1141.753 2028 1354.718 2029 1447.708