Year	National currency (Billions)
1985	0.703
1986	0.709
1987	0.660
1988	0.738
1989	0.870
1990	1.015
1991	1.034
1992	1.371
1993	1.352
1994	1.422
1995	1.621
1996	1.650
1997	1.620
1998	1.705
1999	1.788
2000	1.802
2001	1.926
2002	2.010
2003	2.511
2004	2.962
2005	2.971
2006	3.454
2007	3.920
2008	4.690
2009	4.476
2010	4.664
2011	5.414
2012	5.054
2013	5.758
2014	7.091
2015	6.658
2016	7.013
2017	7.424
2018	7.840
2019	7.677
2020	7.029
2021	8.128
2022	8.869
2023	9.418
2024	10.144
2025	10.830
2026	11.521
2027	12.340
2028	13.016
2029	13.722