Year	National currency (Units)
1980	7764.863
1981	7996.563
1982	8136.485
1983	8334.697
1984	8712.537
1985	9020.770
1986	9443.167
1987	9441.883
1988	10621.083
1989	10912.663
1990	11349.342
1991	11512.370
1992	12313.896
1993	12739.931
1994	12575.804
1995	13413.903
1996	13539.160
1997	14028.169
1998	14635.503
1999	14925.272
2000	15175.947
2001	15400.731
2002	16132.451
2003	17101.165
2004	17722.071
2005	18103.664
2006	19265.481
2007	19837.693
2008	19900.348
2009	19634.518
2010	18773.877
2011	18638.017
2012	18812.809
2013	19232.267
2014	19408.517
2015	19903.959
2016	20683.098
2017	20956.000
2018	21604.197
2019	21729.913
2020	20900.700
2021	21041.491
2022	22181.118
2023	23537.374
2024	24757.898
2025	25695.478
2026	26386.222
2027	27069.177
2028	27769.808
2029	28488.575