Year	National currency (Billions)
1980	10516.029
1981	11524.079
1982	11518.365
1983	10985.741
1984	11371.715
1985	11589.963
1986	11134.482
1987	11364.227
1988	11502.673
1989	11919.696
1990	12545.486
1991	13044.282
1992	13509.782
1993	13897.108
1994	14507.764
1995	13650.312
1996	14499.129
1997	15542.903
1998	16504.244
1999	16958.941
2000	17811.854
2001	17731.551
2002	17689.600
2003	17899.318
2004	18537.508
2005	18929.251
2006	19838.804
2007	20251.027
2008	20442.062
2009	19155.183
2010	20107.451
2011	20799.961
2012	21539.027
2013	21722.561
2014	22266.443
2015	22868.154
2016	23273.491
2017	23709.107
2018	24176.670
2019	24115.906
2020	22036.016
2021	23300.709
2022	24220.854
2023	25002.882
2024	25594.762
2025	25962.876
2026	26465.368
2027	27009.604
2028	27566.164
2029	28134.193