Year	National currency (Units)
1980	3751.617
1981	4486.849
1982	5291.499
1983	6157.308
1984	7039.674
1985	7897.372
1986	8730.053
1987	9550.630
1988	10610.239
1989	11641.400
1990	12661.947
1991	13819.300
1992	14535.943
1993	14959.280
1994	15816.488
1995	17385.052
1996	18398.888
1997	19205.834
1998	20013.521
1999	20649.594
2000	21810.210
2001	22895.385
2002	23691.534
2003	24388.570
2004	25208.624
2005	25732.660
2006	26637.721
2007	27599.060
2008	27756.778
2009	26543.929
2010	26993.977
2011	27502.891
2012	27025.272
2013	26755.508
2014	26967.955
2015	27454.040
2016	28186.210
2017	28911.061
2018	29553.836
2019	30035.923
2020	27853.765
2021	30757.132
2022	33251.594
2023	35435.031
2024	36702.937
2025	37915.605
2026	38808.407
2027	39793.815
2028	40989.668
2029	42260.957