Year	National currency per current international dollar
1980	0.917
1981	0.922
1982	0.974
1983	1.019
1984	1.042
1985	1.063
1986	1.106
1987	1.156
1988	1.218
1989	1.261
1990	1.276
1991	1.252
1992	1.24
1993	1.225
1994	1.215
1995	1.224
1996	1.224
1997	1.217
1998	1.215
1999	1.208
2000	1.234
2001	1.25
2002	1.266
2003	1.285
2004	1.291
2005	1.313
2006	1.337
2007	1.36
2008	1.418
2009	1.413
2010	1.471
2011	1.511
2012	1.474
2013	1.468
2014	1.446
2015	1.419
2016	1.418
2017	1.442
2018	1.438
2019	1.445
2020	1.437
2021	1.438
2022	1.441
2023	1.447
2024	1.447