Year	National currency (Billions)
1990	0.312
1991	0.311
1992	0.311
1993	1.190
1994	1.791
1995	2.568
1996	3.116
1997	3.822
1998	4.794
1999	5.017
2000	4.795
2001	4.973
2002	5.042
2003	5.345
2004	6.054
2005	7.020
2006	8.123
2007	10.004
2008	12.110
2009	11.757
2010	11.550
2011	12.981
2012	11.744
2013	12.136
2014	12.443
2015	12.847
2016	12.950
2017	13.698
2018	15.089
2019	16.518
2020	20.880
2021	20.929
2022	24.359
2023	27.336
2024	29.002
2025	29.718
2026	30.728
2027	32.029
2028	33.517
2029	34.792