Year	National currency per current international dollar
1980	0.82
1981	0.812
1982	0.764
1983	0.794
1984	0.811
1985	0.789
1986	0.773
1987	0.755
1988	0.749
1989	0.75
1990	0.741
1991	0.73
1992	0.74
1993	0.766
1994	0.777
1995	0.779
1996	0.787
1997	0.76
1998	0.748
1999	0.777
2000	0.815
2001	0.801
2002	0.802
2003	0.808
2004	0.81
2005	0.819
2006	0.851
2007	0.841
2008	0.857
2009	0.862
2010	0.883
2011	0.906
2012	0.912
2013	0.911
2014	0.919
2015	0.906
2016	0.904
2017	0.906
2018	0.906
2019	0.907
2020	0.905
2021	0.903
2022	0.902
2023	0.899
2024	0.897