Year	National currency (Billions)
2013	-0.007
2014	-0.004
2015	0.017
2016	0.034
2017	0.031
2018	0.002
2019	0.024
2020	0.025
2021	-0.084
2022	0.002
2023	0.006
2024	-0.060
2025	-0.182
2026	-0.289
2027	-0.330
2028	-0.346
2029	-0.392