Year	National currency (Units)
1980	5494.626
1981	5411.509
1982	5333.739
1983	5395.665
1984	5227.528
1985	5284.471
1986	5468.294
1987	5703.180
1988	5698.983
1989	5383.770
1990	4995.574
1991	5308.981
1992	5600.753
1993	6188.098
1994	6661.842
1995	6263.604
1996	6504.554
1997	5937.163
1998	6059.731
1999	6020.381
2000	5728.274
2001	5583.961
2002	5442.367
2003	5794.526
2004	5691.491
2005	5795.629
2006	5805.740
2007	6116.427
2008	5960.099
2009	6222.380
2010	6498.965
2011	6231.834
2012	6185.471
2013	6285.017
2014	6986.340
2015	7291.509
2016	7534.847
2017	7641.807
2018	7464.791
2019	7639.919
2020	7246.803
2021	5358.913
2022	5520.574
2023	5552.777
2024	5685.209
2025	5775.034
2026	5852.225
2027	5908.404
2028	5967.545
2029	6027.583