Year	National currency (Units)
1980	7861.479
1981	7769.611
1982	7977.821
1983	8254.360
1984	8319.575
1985	7967.723
1986	7733.434
1987	7375.766
1988	7543.478
1989	7354.824
1990	7546.717
1991	7410.500
1992	7808.912
1993	8184.503
1994	8227.987
1995	8168.405
1996	8214.662
1997	8188.825
1998	8362.666
1999	8631.683
2000	8997.065
2001	8890.232
2002	8551.269
2003	8448.060
2004	8388.031
2005	8300.073
2006	8178.036
2007	8184.215
2008	8166.901
2009	7863.384
2010	7831.214
2011	8250.874
2012	8459.772
2013	8603.262
2014	8558.470
2015	8414.263
2016	8386.796
2017	8295.795
2018	8459.734
2019	8755.685
2020	8414.500
2021	8447.963
2022	8644.593
2023	8653.911
2024	8743.367
2025	8799.072
2026	8812.365
2027	8830.205
2028	8847.668
2029	8873.481