Year	National currency (Billions)
1980	1.066
1981	1.144
1982	1.206
1983	1.237
1984	1.381
1985	1.426
1986	1.583
1987	1.587
1988	1.720
1989	1.900
1990	2.145
1991	2.212
1992	2.494
1993	2.731
1994	2.895
1995	3.002
1996	3.237
1997	3.275
1998	3.566
1999	4.144
2000	3.883
2001	4.094
2002	4.365
2003	4.756
2004	5.120
2005	5.508
2006	5.819
2007	5.940
2008	6.082
2009	6.082
2010	6.526
2011	7.332
2012	7.701
2013	8.358
2014	9.167
2015	9.822
2016	10.327
2017	11.065
2018	11.651
2019	11.762
2020	9.613
2021	8.914
2022	10.963
2023	12.368
2024	13.275
2025	14.162
2026	15.104
2027	16.071
2028	17.081
2029	18.111