Year	National currency (Billions)
1991	2.984
1992	3.191
1993	3.646
1994	4.347
1995	3.727
1996	2.494
1997	2.234
1998	2.026
1999	2.337
2000	2.473
2001	2.463
2002	2.465
2003	2.461
2004	2.427
2005	2.407
2006	2.297
2007	2.296
2008	2.130
2009	2.029
2010	2.038
2011	1.973
2012	1.755
2013	1.527
2014	1.587
2015	1.587
2016	3.267
2017	7.207
2018	5.982
2019	4.512
2020	3.490
2021	3.240
2022	1.650
2023	1.580
2024	3.503
2025	6.124
2026	8.798
2027	10.176
2028	13.014
2029	14.118