Year	National currency (Units)
1980	3981.778
1981	3288.432
1982	3130.951
1983	2863.262
1984	2570.084
1985	2542.031
1986	2121.200
1987	1782.614
1988	1710.745
1989	1818.211
1990	2100.864
1991	2252.322
1992	2338.715
1993	2237.458
1994	2343.605
1995	2458.228
1996	2751.579
1997	2923.712
1998	2884.992
1999	3383.259
2000	3905.448
2001	4049.753
2002	5027.421
2003	6401.419
2004	8065.199
2005	11434.241
2006	13873.111
2007	14861.869
2008	18043.537
2009	12789.564
2010	15807.019
2011	9955.042
2012	18581.492
2013	15292.595
2014	11663.347
2015	10644.448
2016	10869.203
2017	14515.932
2018	16071.880
2019	14721.304
2020	9793.621
2021	23694.291
2022	30714.267
2023	31709.636
2024	33655.078
2025	34796.437
2026	35482.680
2027	35496.315
2028	35526.347
2029	36083.689