Year	National currency per current international dollar (Units)
1980	1.118
1981	1.127
1982	1.155
1983	1.176
1984	1.175
1985	1.177
1986	1.190
1987	1.217
1988	1.229
1989	1.238
1990	1.233
1991	1.229
1992	1.220
1993	1.207
1994	1.199
1995	1.201
1996	1.199
1997	1.192
1998	1.177
1999	1.183
2000	1.207
2001	1.199
2002	1.195
2003	1.210
2004	1.217
2005	1.217
2006	1.211
2007	1.218
2008	1.243
2009	1.206
2010	1.226
2011	1.240
2012	1.245
2013	1.224
2014	1.230
2015	1.248
2016	1.207
2017	1.205
2018	1.197
2019	1.196
2020	1.193
2021	1.228
2022	1.235
2023	1.211
2024	1.220
2025	1.225
2026	1.226
2027	1.226
2028	1.227
2029	1.228