Year	National currency (Billions)
1980	0.003
1981	0.004
1982	0.004
1983	0.005
1984	0.005
1985	0.008
1986	0.014
1987	0.022
1988	0.034
1989	0.060
1990	0.124
1991	0.239
1992	0.622
1993	1.619
1994	2.448
1995	3.290
1996	4.345
1997	5.657
1998	6.588
1999	8.129
2000	11.201
2001	14.785
2002	18.447
2003	23.202
2004	29.730
2005	37.189
2006	45.964
2007	56.263
2008	67.089
2009	77.348
2010	97.216
2011	114.030
2012	131.272
2013	151.331
2014	167.053
2015	183.381
2016	216.098
2017	246.252
2018	275.175
2019	300.450
2020	332.721
2021	442.337
2022	493.964
2023	567.831
2024	657.753
2025	742.325
2026	829.257
2027	928.785
2028	1039.633
2029	1161.168