Year	National currency (Units)
1980	260.186
1981	287.803
1982	290.425
1983	322.357
1984	381.627
1985	454.037
1986	527.372
1987	591.536
1988	735.503
1989	862.911
1990	1014.186
1991	1248.335
1992	1440.375
1993	1616.244
1994	1818.137
1995	1993.467
1996	2255.544
1997	2539.174
1998	2811.449
1999	3065.432
2000	3423.646
2001	3945.440
2002	4448.513
2003	4811.955
2004	5334.820
2005	5904.080
2006	6450.313
2007	6636.125
2008	7694.612
2009	7913.435
2010	8792.381
2011	9857.391
2012	10732.466
2013	12075.396
2014	13833.598
2015	15225.568
2016	15449.591
2017	15592.361
2018	16716.285
2019	16774.178
2020	16605.424
2021	17269.039
2022	18708.435
2023	19891.315
2024	21206.502
2025	22552.912
2026	23984.893
2027	25374.680
2028	26827.147
2029	28370.469