Year	National currency (Billions)
1997	1.018
1998	1.094
1999	1.193
2000	1.219
2001	1.287
2002	1.291
2003	1.341
2004	1.402
2005	1.436
2006	1.491
2007	1.597
2008	1.591
2009	1.430
2010	1.347
2011	1.232
2012	1.143
2013	1.133
2014	1.126
2015	1.156
2016	1.183
2017	1.186
2018	1.204
2019	1.228
2020	1.145
2021	1.308
2022	1.373
2023	1.405
2024	1.423
2025	1.442
2026	1.461
2027	1.480
2028	1.499
2029	1.518