Year	National currency (Units)
1980	4439.413
1981	4458.251
1982	4587.824
1983	4608.776
1984	4918.847
1985	4947.726
1986	5008.821
1987	4913.128
1988	5159.152
1989	5314.924
1990	5502.319
1991	5836.442
1992	5954.818
1993	6045.485
1994	6229.378
1995	6167.656
1996	6513.898
1997	6721.702
1998	6806.052
1999	6898.640
2000	7165.835
2001	7396.346
2002	7569.448
2003	7884.689
2004	8041.638
2005	8302.717
2006	8644.849
2007	8947.620
2008	9221.804
2009	9193.117
2010	9597.195
2011	10015.272
2012	10460.024
2013	10573.988
2014	10720.355
2015	10994.362
2016	11125.629
2017	10748.953
2018	10515.666
2019	10125.735
2020	9524.533
2021	9570.525
2022	9607.304
2023	9670.505
2024	9781.945
2025	9908.380
2026	10027.013
2027	10116.487
2028	10205.810
2029	10293.844