Year	National currency per current international dollar
1980	1.032
1981	1.005
1982	1.003
1983	1.006
1984	1.013
1985	1.027
1986	1.061
1987	1.099
1988	1.079
1989	1.144
1990	1.041
1991	1.033
1992	1.049
1993	1.016
1994	1.016
1995	1.004
1996	0.995
1997	0.992
1998	1.011
1999	1.046
2000	1.033
2001	1.014
2002	1.038
2003	1.031
2004	1.016
2005	1.035
2006	1.013
2007	1.015
2008	1.011
2009	0.993
2010	0.977
2011	0.949
2012	0.962
2013	0.941
2014	0.953
2015	1.005
2016	1.015
2017	1.009
2018	1.015
2019	1.012
2020	1.009
2021	1.01
2022	1.013
2023	1.015
2024	1.016