Year	National currency (Billions)
2002	0.503
2003	0.643
2004	0.665
2005	0.693
2006	0.923
2007	1.179
2008	1.586
2009	1.537
2010	1.458
2011	1.478
2012	1.454
2013	1.541
2014	1.529
2015	1.695
2016	1.879
2017	2.025
2018	2.200
2019	2.177
2020	2.275
2021	2.221
2022	2.507
2023	2.811
2024	3.284
2025	3.470
2026	3.672
2027	3.877
2028	4.112
2029	4.342