Year	National currency (Billions)
1980	0.002
1981	0.003
1982	0.003
1983	0.003
1984	0.002
1985	0.003
1986	0.003
1987	0.003
1988	0.003
1989	0.004
1990	0.006
1991	0.006
1992	0.009
1993	0.021
1994	0.116
1995	0.440
1996	0.495
1997	0.531
1998	0.638
1999	1.091
2000	1.792
2001	2.542
2002	3.459
2003	4.497
2004	5.467
2005	6.538
2006	7.716
2007	8.631
2008	10.384
2009	11.391
2010	12.842
2011	15.475
2012	17.597
2013	18.182
2014	18.518
2015	17.515
2016	20.663
2017	26.893
2018	29.822
2019	31.732
2020	38.719
2021	60.734
2022	89.472
2023	138.355
2024	167.985
2025	195.976
2026	219.798
2027	243.102
2028	262.846
2029	284.379