Year	National currency per current international dollar
1980	1.99
1981	1.856
1982	1.751
1983	1.63
1984	1.493
1985	1.457
1986	1.402
1987	1.427
1988	1.439
1989	1.381
1990	1.388
1991	1.334
1992	1.326
1993	1.326
1994	1.3
1995	1.323
1996	1.376
1997	1.338
1998	1.265
1999	1.357
2000	1.481
2001	1.423
2002	1.453
2003	1.485
2004	1.568
2005	1.772
2006	1.926
2007	2.11
2008	2.452
2009	2.064
2010	2.295
2011	2.544
2012	2.552
2013	2.487
2014	2.416
2015	2.021
2016	1.935
2017	2.019
2018	2.155
2019	2.074
2020	2.064
2021	2.052
2022	2.043
2023	2.037
2024	2.037