Year	National currency (Billions)
1990	0.595
1991	0.615
1992	0.605
1993	0.588
1994	0.615
1995	0.636
1996	0.668
1997	0.791
1998	0.792
1999	0.675
2000	0.911
2001	0.933
2002	1.000
2003	1.046
2004	1.119
2005	1.214
2006	1.324
2007	1.416
2008	1.516
2009	1.561
2010	1.549
2011	1.721
2012	1.764
2013	1.923
2014	1.958
2015	2.115
2016	2.299
2017	2.860
2018	2.457
2019	2.646
2020	2.921
2021	3.244
2022	3.327
2023	3.389
2024	3.447
2025	3.547
2026	3.620
2027	3.671
2028	3.754
2029	3.865