Year	National currency (Units)
1980	806.915
1981	703.457
1982	689.204
1983	656.058
1984	476.822
1985	459.963
1986	458.437
1987	460.592
1988	530.169
1989	596.506
1990	891.759
1991	959.119
1992	1047.044
1993	1186.338
1994	1348.916
1995	1552.129
1996	1653.641
1997	1749.514
1998	1858.366
1999	1904.858
2000	1977.835
2001	2051.156
2002	2106.732
2003	2197.501
2004	2273.938
2005	2434.354
2006	2651.445
2007	2814.604
2008	2964.170
2009	2889.680
2010	3017.326
2011	3305.002
2012	3471.047
2013	3555.186
2014	3638.533
2015	3761.493
2016	3870.318
2017	3986.020
2018	4145.892
2019	4280.298
2020	3960.333
2021	4599.655
2022	5048.436
2023	5349.480
2024	5537.203
2025	5792.099
2026	6047.127
2027	6302.705
2028	6558.171
2029	6825.517