Year	National currency (Billions)
1980	10238.323
1981	9234.967
1982	9059.503
1983	9141.038
1984	9301.937
1985	9409.500
1986	9593.947
1987	9706.668
1988	10037.367
1989	10446.378
1990	10773.235
1991	10093.837
1992	10213.033
1993	10427.499
1994	10423.109
1995	10598.071
1996	10826.375
1997	11226.246
1998	11665.987
1999	12214.198
2000	12758.567
2001	13521.560
2002	11843.808
2003	13002.712
2004	13686.265
2005	14337.163
2006	15111.156
2007	15974.088
2008	17046.371
2009	16368.146
2010	16469.502
2011	16729.461
2012	17233.210
2013	17629.641
2014	18218.330
2015	18788.982
2016	19539.253
2017	20307.794
2018	20956.495
2019	21880.934
2020	20319.145
2021	21485.386
2022	22344.801
2023	23193.904
2024	24237.630
2025	25352.561
2026	26544.131
2027	27765.161
2028	29014.593
2029	30320.250