Year	National currency (Units)
1981	3004.133
1982	3287.447
1983	3636.059
1984	4037.234
1985	4435.429
1986	5035.199
1987	5678.003
1988	6420.339
1989	6971.900
1990	7612.790
1991	8335.708
1992	8877.189
1993	9311.418
1994	10025.384
1995	10409.286
1996	11081.935
1997	11486.791
1998	12222.046
1999	12575.415
2000	12639.182
2001	12893.429
2002	12636.712
2003	13029.579
2004	13946.089
2005	13844.081
2006	14842.578
2007	16037.757
2008	17451.288
2009	18640.789
2010	18848.584
2011	19332.743
2012	18886.138
2013	19314.364
2014	19949.174
2015	20509.798
2016	21840.975
2017	20269.893
2018	21548.820
2019	22859.299
2020	18554.995
2021	20331.991
2022	22131.676
2023	23860.796
2024	25528.926
2025	27034.583
2026	28338.086
2027	29601.682
2028	30919.562
2029	32134.232