Year	National currency (Units)
1980	12786.704
1981	11840.452
1982	11277.382
1983	11534.930
1984	11568.520
1985	10583.477
1986	11195.864
1987	11349.745
1988	10993.303
1989	10097.878
1990	9757.613
1991	10638.088
1992	11575.743
1993	12118.951
1994	12662.805
1995	12151.822
1996	12671.665
1997	13542.166
1998	13906.938
1999	13290.984
2000	13047.996
2001	12347.744
2002	10897.109
2003	11761.969
2004	12690.691
2005	13682.990
2006	14640.507
2007	15802.831
2008	16282.961
2009	15170.841
2010	16439.058
2011	17226.268
2012	16856.718
2013	17070.069
2014	16459.210
2015	16727.437
2016	16207.199
2017	16492.062
2018	15898.093
2019	15425.982
2020	13764.562
2021	15096.140
2022	15698.338
2023	15299.031
2024	14728.837
2025	15312.623
2026	15842.475
2027	16297.404
2028	16636.262
2029	16850.483