Year	National currency (Units)
1980	21903.884
1981	21886.805
1982	21729.808
1983	22144.869
1984	22863.026
1985	23422.049
1986	23971.743
1987	24319.586
1988	25075.355
1989	25798.767
1990	26762.212
1991	27743.277
1992	28090.895
1993	27663.048
1994	28256.621
1995	28635.190
1996	28812.668
1997	29311.283
1998	29926.976
1999	30500.537
2000	31372.968
2001	31878.431
2002	31790.607
2003	31578.560
2004	31988.828
2005	32268.340
2006	33566.270
2007	34644.459
2008	35075.792
2009	33193.469
2010	34668.103
2011	36029.299
2012	36115.199
2013	36172.420
2014	36820.567
2015	37046.051
2016	37567.677
2017	38430.865
2018	38692.608
2019	39018.570
2020	37493.777
2021	38665.561
2022	39080.408
2023	38620.718
2024	38665.854
2025	39182.336
2026	39771.202
2027	40241.257
2028	40607.626
2029	40912.507