Year	National currency (Billions)
2001	0.462
2002	0.466
2003	0.507
2004	0.552
2005	0.594
2006	0.694
2007	0.797
2008	0.822
2009	0.791
2010	0.751
2011	0.759
2012	0.842
2013	0.769
2014	0.780
2015	0.838
2016	0.905
2017	0.926
2018	0.979
2019	1.010
2020	1.072
2021	1.098
2022	1.120
2023	1.258
2024	1.308
2025	1.382
2026	1.428
2027	1.479
2028	1.532
2029	1.579