Year	National currency (Units)
1980	2558.916
1981	2405.107
1982	2153.209
1983	1971.052
1984	2016.448
1985	2099.088
1986	2179.302
1987	2271.971
1988	2363.795
1989	2414.324
1990	2443.144
1991	2500.008
1992	2550.414
1993	2608.851
1994	2635.953
1995	2681.501
1996	2741.306
1997	2829.668
1998	2898.872
1999	2956.079
2000	2841.850
2001	2876.790
2002	2936.094
2003	3012.355
2004	3100.728
2005	3215.673
2006	3323.532
2007	3379.904
2008	3601.847
2009	3722.713
2010	3809.792
2011	4237.804
2012	4487.198
2013	4700.990
2014	4725.839
2015	4718.898
2016	4771.954
2017	5050.023
2018	5251.552
2019	5479.524
2020	5398.458
2021	5561.283
2022	5609.562
2023	5593.315
2024	5605.475
2025	5705.264
2026	5838.132
2027	5977.254
2028	6119.690
2029	6265.521