Year	National currency (Units)
1980	6779.650
1981	6619.988
1982	6498.149
1983	6793.219
1984	6425.396
1985	5510.829
1986	5854.016
1987	6455.508
1988	6286.481
1989	6056.110
1990	6010.115
1991	5390.568
1992	4746.052
1993	5202.123
1994	5210.573
1995	5359.406
1996	5906.295
1997	5903.308
1998	5502.557
1999	5693.086
2000	6088.315
2001	6373.149
2002	6311.032
2003	6021.930
2004	6556.039
2005	7195.029
2006	7819.160
2007	8452.586
2008	9090.678
2009	9746.341
2010	10506.290
2011	11431.899
2012	12125.955
2013	12996.407
2014	13972.542
2015	15062.118
2016	15892.516
2017	17102.532
2018	18014.844
2019	19220.212
2020	19955.055
2021	20747.431
2022	21603.847
2023	22798.071
2024	23837.947
2025	24985.415
2026	26237.437
2027	27577.831
2028	29039.523
2029	30586.505