Year	National currency (Billions)
1980	6.266
1981	8.455
1982	7.872
1983	7.753
1984	7.345
1985	7.533
1986	3.332
1987	2.750
1988	2.486
1989	2.526
1990	2.706
1991	2.686
1992	2.325
1993	2.274
1994	2.246
1995	2.451
1996	2.859
1997	2.843
1998	1.916
1999	2.536
2000	5.084
2001	4.232
2002	4.268
2003	4.930
2004	6.151
2005	7.921
2006	9.647
2007	6.636
2008	14.310
2009	6.650
2010	8.184
2011	12.896
2012	11.134
2013	10.551
2014	8.159
2015	4.294
2016	2.783
2017	4.385
2018	5.228
2019	5.282
2020	2.892
2021	3.975
2022	6.650
2023	3.193
2024	3.295
2025	3.442
2026	3.557
2027	3.652
2028	3.704
2029	3.770