Year	National currency (Billions)
1998	0.575
1999	0.905
2000	1.011
2001	1.304
2002	1.252
2003	1.371
2004	1.562
2005	1.567
2006	1.648
2007	1.835
2008	4.392
2009	6.768
2010	8.414
2011	8.796
2012	9.367
2013	9.179
2014	9.829
2015	9.105
2016	10.245
2017	10.519
2018	10.784
2019	11.209
2020	12.711
2021	14.688
2022	15.947
2023	17.519
2024	18.198
2025	19.306
2026	20.159
2027	20.819
2028	21.499
2029	22.144