Year	National currency (Billions)
1998	0.464
1999	0.467
2000	0.470
2001	0.503
2002	0.505
2003	0.463
2004	0.476
2005	0.453
2006	0.477
2007	0.484
2008	0.490
2009	0.585
2010	0.695
2011	0.738
2012	0.906
2013	0.986
2014	1.015
2015	1.126
2016	1.081
2017	1.047
2018	1.114
2019	1.059
2020	1.012
2021	1.004
2022	0.948
2023	0.853
2024	0.816
2025	0.896
2026	0.993
2027	1.097
2028	1.208
2029	1.325