Year	National currency (Billions)
1990	4.059
1991	4.034
1992	3.980
1993	4.201
1994	4.383
1995	4.533
1996	4.822
1997	5.185
1998	5.734
1999	5.983
2000	6.116
2001	6.135
2002	6.264
2003	6.536
2004	7.076
2005	7.838
2006	8.663
2007	9.403
2008	9.410
2009	8.963
2010	9.124
2011	9.292
2012	9.254
2013	9.364
2014	9.407
2015	9.503
2016	9.740
2017	10.021
2018	10.330
2019	10.902
2020	8.960
2021	10.443
2022	12.238
2023	13.025
2024	13.937
2025	14.724
2026	15.465
2027	16.216
2028	16.995
2029	17.781
