Year	National currency (Billions)
1990	0.308
1991	0.348
1992	0.349
1993	0.367
1994	0.407
1995	0.439
1996	0.431
1997	0.403
1998	0.497
1999	0.555
2000	0.626
2001	0.896
2002	0.894
2003	0.910
2004	0.851
2005	0.835
2006	0.848
2007	0.852
2008	0.823
2009	0.829
2010	0.898
2011	0.928
2012	0.971
2013	1.017
2014	1.033
2015	1.039
2016	1.134
2017	1.221
2018	1.348
2019	1.471
2020	1.608
2021	1.703
2022	1.757
2023	1.793
2024	1.946
2025	2.002
2026	2.060
2027	2.113
2028	2.164
2029	2.206