Year	National currency (Billions)
1983	0.445
1984	0.475
1985	0.581
1986	0.616
1987	0.733
1988	0.895
1989	1.031
1990	1.140
1991	1.094
1992	1.270
1993	1.393
1994	1.395
1995	1.223
1996	1.236
1997	1.382
1998	1.409
1999	1.526
2000	1.429
2001	1.382
2002	1.531
2003	1.830
2004	1.862
2005	1.992
2006	2.301
2007	2.214
2008	3.190
2009	4.262
2010	4.108
2011	5.014
2012	6.024
2013	6.111
2014	6.413
2015	6.276
2016	7.205
2017	7.446
2018	7.997
2019	8.435
2020	7.542
2021	8.322
2022	8.798
2023	9.496
2024	10.548
2025	11.237
2026	11.636
2027	12.219
2028	12.817
2029	13.572