Year National currency (Billions) 2014 19.917 2015 20.052 2016 19.961 2017 21.569 2018 22.366 2019 24.144 2020 21.463 2021 22.316 2022 25.456 2023 26.634 2024 25.710 2025 25.262 2026 25.699 2027 26.354 2028 27.243 2029 27.679