Year	National currency (Billions)
1990	0.457
1991	0.498
1992	0.490
1993	0.535
1994	0.594
1995	0.646
1996	0.659
1997	0.692
1998	0.764
1999	0.804
2000	0.918
2001	0.958
2002	0.857
2003	0.902
2004	0.944
2005	1.105
2006	1.280
2007	1.336
2008	1.429
2009	1.316
2010	1.291
2011	1.432
2012	1.426
2013	1.383
2014	1.470
2015	1.732
2016	1.989
2017	2.070
2018	2.042
2019	2.426
2020	2.082
2021	1.909
2022	2.609
2023	2.856
2024	3.086
2025	3.235
2026	3.347
2027	3.456
2028	3.569
2029	3.691