Year	National currency (Billions)
1981	12.700
1982	11.493
1983	12.097
1984	12.731
1985	12.189
1986	13.233
1987	14.310
1988	12.872
1989	16.206
1990	11.955
1991	7.053
1992	12.893
1993	17.422
1994	18.923
1995	19.239
1996	19.354
1997	19.837
1998	20.561
1999	20.194
2000	21.141
2001	21.186
2002	21.824
2003	25.606
2004	28.228
2005	31.223
2006	33.569
2007	35.580
2008	36.462
2009	33.882
2010	33.079
2011	36.264
2012	38.667
2013	39.112
2014	39.307
2015	39.540
2016	40.697
2017	38.780
2018	39.724
2019	40.272
2020	38.148
2021	38.796
2022	41.177
2023	40.259
2024	39.680
2025	41.189
2026	42.213
2027	43.306
2028	44.433
2029	45.593