Year	National currency (Units)
1980	2006.939
1981	1997.600
1982	1939.217
1983	1657.981
1984	1717.538
1985	1956.384
1986	1399.040
1987	1274.849
1988	1181.566
1989	1131.666
1990	1122.668
1991	1231.277
1992	1316.540
1993	1505.191
1994	1778.393
1995	1895.194
1996	1949.510
1997	2156.317
1998	2160.746
1999	1530.002
2000	1398.962
2001	1804.756
2002	2066.227
2003	2324.789
2004	2597.054
2005	2935.499
2006	3271.898
2007	3506.774
2008	4224.414
2009	4077.422
2010	4539.721
2011	5173.878
2012	5652.677
2013	6121.830
2014	6408.860
2015	5971.527
2016	5909.192
2017	6226.836
2018	6313.598
2019	6230.943
2020	5474.697
2021	6050.394
2022	6474.762
2023	6581.574
2024	6566.926
2025	6625.886
2026	6761.125
2027	6912.882
2028	7086.597
2029	7268.168