Year	National currency (Billions)
1990	0.179
1991	0.177
1992	0.177
1993	0.173
1994	0.198
1995	0.220
1996	0.229
1997	0.238
1998	0.292
1999	0.316
2000	0.350
2001	0.269
2002	0.261
2003	0.289
2004	0.299
2005	0.315
2006	0.325
2007	0.404
2008	0.444
2009	0.476
2010	0.530
2011	0.469
2012	0.481
2013	0.460
2014	0.469
2015	0.488
2016	0.712
2017	0.784
2018	0.999
2019	0.727
2020	0.955
2021	1.051
2022	1.192
2023	0.877
2024	0.884
2025	0.905
2026	0.939
2027	0.975
2028	1.011
2029	1.041