Year	National currency (Billions)
1997	0.507
1998	0.870
1999	0.991
2000	0.947
2001	1.141
2002	1.536
2003	1.623
2004	1.732
2005	1.604
2006	1.734
2007	1.567
2008	1.567
2009	1.118
2010	1.567
2011	1.472
2012	1.327
2013	1.265
2014	1.031
2015	0.928
2016	0.775
2017	0.981
2018	1.012
2019	1.042
2020	1.705
2021	1.949
2022	2.204
2023	2.455
2024	2.866
2025	3.250
2026	3.611
2027	4.012
2028	4.448
2029	4.947