Year	National currency (Units)
1980	7194.099
1981	7426.817
1982	6986.223
1983	6696.147
1984	6384.753
1985	6273.761
1986	6194.433
1987	6103.920
1988	6474.446
1989	6052.054
1990	5833.638
1991	5622.575
1992	5571.849
1993	5410.641
1994	4551.930
1995	4570.609
1996	4736.008
1997	4792.212
1998	4651.856
1999	4742.283
2000	4792.660
2001	4898.497
2002	4965.121
2003	5148.424
2004	5338.062
2005	5537.782
2006	5772.473
2007	6037.503
2008	6278.586
2009	6618.002
2010	7048.674
2011	7193.813
2012	7488.995
2013	7614.537
2014	7717.537
2015	7693.362
2016	7736.550
2017	7762.179
2018	7831.857
2019	7709.348
2020	7277.953
2021	7515.175
2022	7694.522
2023	7812.231
2024	7961.899
2025	8127.718
2026	8294.280
2027	8479.397
2028	8675.788
2029	8875.918