Year	National currency (Billions)
1980	6.857
1981	7.883
1982	8.344
1983	8.458
1984	8.921
1985	8.824
1986	9.348
1987	9.601
1988	9.879
1989	8.826
1990	8.684
1991	8.193
1992	9.575
1993	9.992
1994	10.492
1995	11.116
1996	11.329
1997	11.753
1998	12.129
1999	12.522
2000	13.048
2001	13.699
2002	14.601
2003	15.182
2004	16.435
2005	17.885
2006	19.408
2007	21.033
2008	22.586
2009	23.721
2010	24.270
2011	24.934
2012	25.540
2013	26.207
2014	27.094
2015	27.770
2016	28.324
2017	29.024
2018	29.581
2019	30.099
2020	29.767
2021	30.856
2022	31.605
2023	32.427
2024	33.270
2025	34.268
2026	35.296
2027	36.355
2028	37.445
2029	38.569