Year	National currency per current international dollar (Units)
1980	1.627
1981	1.545
1982	1.573
1983	1.504
1984	1.455
1985	1.419
1986	1.413
1987	1.322
1988	1.361
1989	1.308
1990	1.286
1991	1.211
1992	1.227
1993	1.220
1994	1.232
1995	1.272
1996	1.286
1997	1.246
1998	1.250
1999	1.206
2000	1.189
2001	1.155
2002	1.148
2003	1.089
2004	1.084
2005	1.081
2006	1.115
2007	1.127
2008	1.145
2009	1.110
2010	1.120
2011	1.151
2012	1.239
2013	1.264
2014	1.312
2015	1.319
2016	1.342
2017	1.375
2018	1.346
2019	1.322
2020	1.297
2021	1.246
2022	1.250
2023	1.259
2024	1.267
2025	1.273
2026	1.265
2027	1.257
2028	1.249
2029	1.241