Year	National currency (Units)
1980	8050.856
1981	8452.519
1982	8782.276
1983	9023.109
1984	9421.564
1985	9584.275
1986	10095.416
1987	10584.053
1988	10867.073
1989	10860.268
1990	9934.595
1991	8941.431
1992	8273.562
1993	7397.292
1994	7211.295
1995	7176.690
1996	7629.764
1997	6603.454
1998	6901.874
1999	6352.412
2000	6576.554
2001	7051.610
2002	7508.781
2003	7947.130
2004	8508.392
2005	9158.690
2006	9831.981
2007	10539.836
2008	11235.422
2009	10920.865
2010	11177.680
2011	11687.974
2012	11844.474
2013	11843.392
2014	12028.015
2015	12520.840
2016	12994.116
2017	13449.068
2018	13910.151
2019	14572.537
2020	14065.251
2021	15314.743
2022	16881.803
2023	17297.290
2024	17878.043
2025	18511.965
2026	19169.382
2027	19796.167
2028	20461.350
2029	21116.949