Year	National currency (Billions)
1980	6688.090
1981	7828.451
1982	8420.547
1983	8996.869
1984	9668.725
1985	10452.594
1986	11162.439
1987	10922.145
1988	10063.148
1989	9885.060
1990	9276.030
1991	8926.876
1992	8654.593
1993	8381.272
1994	8172.160
1995	8442.202
1996	8856.878
1997	9327.547
1998	9784.164
1999	10181.624
2000	10524.001
2001	10877.151
2002	11404.415
2003	11973.962
2004	12759.578
2005	12914.958
2006	13370.119
2007	13918.296
2008	14316.021
2009	14690.972
2010	15122.144
2011	15649.002
2012	16354.521
2013	17170.168
2014	18162.471
2015	19179.517
2016	20038.567
2017	20748.167
2018	21582.617
2019	22321.141
2020	22441.539
2021	23260.368
2022	24096.530
2023	25053.003
2024	26118.389
2025	27285.238
2026	28501.655
2027	29787.273
2028	31149.567
2029	32560.709