Year	National currency (Billions)
2000	-0.212
2001	-0.200
2002	-0.245
2003	-0.307
2004	-0.345
2005	-0.490
2006	-0.591
2007	-0.440
2008	-0.747
2009	-1.105
2010	-0.855
2011	-0.906
2012	-0.837
2013	-0.998
2014	-0.894
2015	-0.847
2016	-0.772
2017	-0.678
2018	-0.800
2019	-0.978
2020	-1.570
2021	-1.672
2022	-0.902
2023	-1.675
2024	-1.373
2025	-1.417
2026	-1.502
2027	-1.838
2028	-2.167
2029	-2.231