Year	National currency (Billions)
1980	6.636
1981	7.159
1982	7.694
1983	8.034
1984	9.430
1985	10.731
1986	11.654
1987	12.687
1988	13.793
1989	15.075
1990	14.465
1991	15.462
1992	16.462
1993	17.354
1994	18.656
1995	20.033
1996	21.852
1997	24.612
1998	27.018
1999	28.972
2000	30.345
2001	30.785
2002	32.662
2003	37.284
2004	39.533
2005	35.096
2006	43.381
2007	46.471
2008	50.644
2009	46.513
2010	49.692
2011	53.952
2012	55.228
2013	59.073
2014	63.682
2015	66.211
2016	70.562
2017	75.540
2018	82.088
2019	88.079
2020	59.093
2021	81.364
2022	92.679
2023	96.779
2024	101.783
2025	108.402
2026	113.822
2027	119.285
2028	124.652
2029	130.259