Year	National currency (Billions)
1982	0.001
1983	0.001
1984	0.002
1985	0.004
1986	0.008
1987	0.012
1988	0.017
1989	0.024
1990	0.024
1991	0.037
1992	0.036
1993	0.063
1994	0.099
1995	0.159
1996	0.186
1997	0.203
1998	0.279
1999	0.279
2000	0.539
2001	0.953
2002	0.957
2003	1.650
2004	2.294
2005	2.633
2006	3.192
2007	4.052
2008	4.813
2009	6.017
2010	7.694
2011	11.441
2012	13.935
2013	15.494
2014	20.874
2015	26.824
2016	28.865
2017	35.782
2018	43.523
2019	53.380
2020	55.138
2021	70.097
2022	96.651
2023	133.815
2024	175.162
2025	210.202
2026	249.706
2027	280.488
2028	315.027
2029	355.914