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	0.026
2021	-0.083
2022	0.003
2023	0.011
2024	-0.047
2025	-0.168
2026	-0.274
2027	-0.315
2028	-0.328
2029	-0.373