Year	National currency (Billions)
1981	0.575
1982	0.498
1983	0.676
1984	0.790
1985	0.970
1986	1.122
1987	1.447
1988	1.772
1989	1.620
1990	1.469
1991	1.749
1992	1.993
1993	2.881
1994	3.123
1995	3.650
1996	4.491
1997	4.656
1998	4.950
1999	6.919
2000	7.859
2001	8.382
2002	8.848
2003	7.054
2004	10.445
2005	10.501
2006	13.452
2007	16.083
2008	18.317
2009	23.443
2010	30.991
2011	28.172
2012	32.646
2013	30.656
2014	37.819
2015	36.231
2016	42.039
2017	42.673
2018	52.113
2019	42.033
2020	54.604
2021	59.696
2022	54.355
2023	57.598
2024	61.340
2025	71.017
2026	84.735
2027	88.650
2028	93.081
2029	109.264