Year	National currency per current international dollar (Units)
1980	1.259
1981	1.373
1982	1.405
1983	1.408
1984	1.425
1985	1.429
1986	1.468
1987	1.553
1988	1.516
1989	1.511
1990	1.555
1991	1.560
1992	1.554
1993	1.509
1994	1.511
1995	1.513
1996	1.543
1997	1.534
1998	1.560
1999	1.575
2000	1.534
2001	1.595
2002	1.581
2003	1.524
2004	1.546
2005	1.545
2006	1.561
2007	1.635
2008	1.640
2009	1.609
2010	1.675
2011	1.636
2012	1.650
2013	1.643
2014	1.596
2015	1.605
2016	1.533
2017	1.590
2018	1.579
2019	1.589
2020	1.554
2021	1.480
2022	1.423
2023	1.421
2024	1.428
2025	1.431
2026	1.433
2027	1.434
2028	1.436
2029	1.437