Year	National currency (Billions)
1996	0.339
1997	0.348
1998	0.389
1999	0.472
2000	0.527
2001	0.606
2002	0.606
2003	0.643
2004	0.608
2005	0.631
2006	0.673
2007	0.753
2008	0.757
2009	0.783
2010	0.815
2011	0.860
2012	0.846
2013	0.969
2014	1.061
2015	1.226
2016	1.239
2017	1.254
2018	1.231
2019	1.311
2020	1.357
2021	1.250
2022	1.300
2023	1.466
2024	1.575
2025	1.678
2026	1.746
2027	1.810
2028	1.878
2029	1.946