Year	National currency (Billions)
1980	6.439
1981	6.252
1982	6.646
1983	7.098
1984	7.269
1985	7.567
1986	7.763
1987	8.051
1988	8.232
1989	8.422
1990	8.510
1991	8.154
1992	7.842
1993	7.866
1994	8.114
1995	8.469
1996	8.827
1997	9.264
1998	9.701
1999	10.394
2000	10.825
2001	11.109
2002	11.410
2003	11.265
2004	11.365
2005	11.751
2006	12.046
2007	12.221
2008	11.937
2009	11.438
2010	11.614
2011	11.685
2012	12.094
2013	11.748
2014	11.965
2015	12.084
2016	11.992
2017	12.295
2018	12.654
2019	12.559
2020	9.607
2021	11.239
2022	12.854
2023	13.407
2024	13.715
2025	13.962
2026	14.185
2027	14.398
2028	14.614
2029	14.833