Year	National currency (Billions)
1980	22060.516
1981	22692.934
1982	23337.661
1983	23506.384
1984	24131.195
1985	24070.127
1986	24439.591
1987	25429.695
1988	25413.099
1989	25600.247
1990	24705.093
1991	21767.154
1992	21100.169
1993	20978.609
1994	21596.881
1995	22145.698
1996	22163.948
1997	22860.589
1998	23752.152
1999	24481.588
2000	25578.167
2001	26620.244
2002	27882.385
2003	29018.383
2004	30470.643
2005	31779.137
2006	33033.164
2007	33124.787
2008	33457.341
2009	31249.871
2010	31586.199
2011	32175.863
2012	31773.591
2013	32346.317
2014	33715.282
2015	34965.212
2016	35734.798
2017	37261.380
2018	39259.464
2019	41169.135
2020	39301.887
2021	42086.709
2022	44003.571
2023	43603.888
2024	44564.313
2025	46054.837
2026	47344.372
2027	48764.704
2028	50325.174
2029	51935.580