Year	National currency per current international dollar (Units)
1980	149.464
1981	140.301
1982	136.038
1983	134.802
1984	133.994
1985	133.790
1986	135.112
1987	135.849
1988	113.490
1989	101.900
1990	97.431
1991	98.533
1992	93.772
1993	88.558
1994	118.731
1995	119.471
1996	134.298
1997	137.563
1998	110.073
1999	138.761
2000	192.545
2001	170.751
2002	173.523
2003	163.544
2004	191.636
2005	221.683
2006	239.524
2007	248.925
2008	283.953
2009	222.481
2010	284.473
2011	309.251
2012	316.116
2013	316.152
2014	314.805
2015	311.999
2016	316.625
2017	297.674
2018	355.712
2019	345.231
2020	293.030
2021	311.632
2022	335.106
2023	312.842
2024	311.582
2025	310.576
2026	309.969
2027	310.362
2028	311.533
2029	314.398