Year	National currency (Units)
1980	3209.872
1981	3639.581
1982	4083.493
1983	4274.618
1984	6095.225
1985	6470.434
1986	7077.080
1987	7178.627
1988	6892.892
1989	6934.051
1990	7223.868
1991	7604.375
1992	7279.071
1993	7238.294
1994	7401.676
1995	7961.954
1996	7942.540
1997	7878.881
1998	8027.440
1999	8177.996
2000	8451.095
2001	8539.242
2002	8886.441
2003	8854.875
2004	8652.247
2005	8563.039
2006	8326.522
2007	8098.328
2008	8462.148
2009	8002.501
2010	8047.049
2011	8574.723
2012	8689.079
2013	8760.576
2014	8983.146
2015	9135.150
2016	9785.739
2017	10119.750
2018	10153.086
2019	10233.818
2020	10292.889
2021	10027.165
2022	9855.001
2023	10132.342
2024	10414.047
2025	10688.952
2026	10870.933
2027	11032.372
2028	11192.639
2029	11355.235