Year	National currency (Billions)
1991	0.341
1992	0.336
1993	0.379
1994	0.401
1995	0.398
1996	0.435
1997	0.439
1998	0.485
1999	0.449
2000	0.584
2001	0.627
2002	1.154
2003	1.270
2004	1.532
2005	1.639
2006	1.753
2007	1.824
2008	1.871
2009	1.897
2010	2.003
2011	2.161
2012	2.192
2013	2.399
2014	2.445
2015	2.425
2016	2.338
2017	2.140
2018	2.016
2019	1.918
2020	2.012
2021	2.119
2022	2.087
2023	2.222
2024	2.322
2025	2.439
2026	2.329
2027	2.254
2028	2.177
2029	2.098