Year	National currency (Units)
1980	13897.923
1981	14542.114
1982	14698.328
1983	15712.878
1984	17593.631
1985	19260.895
1986	21853.146
1987	23712.645
1988	25326.308
1989	26902.125
1990	27739.640
1991	28113.624
1992	27981.121
1993	28807.268
1994	29953.797
1995	27893.892
1996	28933.820
1997	29677.337
1998	30254.454
1999	30619.288
2000	31845.587
2001	29887.626
2002	29891.972
2003	31406.162
2004	32888.530
2005	34662.967
2006	38657.721
2007	41803.612
2008	41329.011
2009	35966.708
2010	32755.785
2011	31759.557
2012	32366.781
2013	31706.276
2014	32423.398
2015	33157.402
2016	34447.844
2017	34990.329
2018	36814.364
2019	37840.606
2020	30757.546
2021	32298.137
2022	34531.517
2023	36047.172
2024	37718.034
2025	38720.342
2026	39275.738
2027	39840.212
2028	40418.145
2029	41009.883