Year	National currency (Billions)
1980	2.772
1981	2.849
1982	3.031
1983	3.243
1984	3.379
1985	3.348
1986	3.364
1987	3.323
1988	3.520
1989	3.556
1990	3.681
1991	3.765
1992	4.033
1993	4.340
1994	4.479
1995	4.565
1996	4.714
1997	4.824
1998	5.058
1999	5.360
2000	5.736
2001	5.879
2002	6.076
2003	6.459
2004	6.910
2005	7.377
2006	7.854
2007	8.506
2008	9.037
2009	9.266
2010	9.668
2011	9.860
2012	10.228
2013	10.782
2014	11.251
2015	11.530
2016	11.941
2017	12.453
2018	12.716
2019	12.991
2020	12.388
2021	12.709
2022	13.330
2023	13.679
2024	14.167
2025	14.615
2026	15.005
2027	15.413
2028	15.831
2029	16.276