Year	National currency per current international dollar
1980	0.536
1981	0.579
1982	0.638
1983	0.681
1984	0.706
1985	0.729
1986	0.758
1987	0.763
1988	0.764
1989	0.772
1990	0.749
1991	0.742
1992	0.746
1993	0.767
1994	0.762
1995	0.789
1996	0.78
1997	0.798
1998	0.841
1999	0.865
2000	0.904
2001	0.945
2002	0.979
2003	0.999
2004	0.979
2005	0.979
2006	0.983
2007	0.97
2008	0.947
2009	0.897
2010	0.858
2011	0.827
2012	0.829
2013	0.825
2014	0.808
2015	0.86
2016	0.844
2017	0.831
2018	0.818
2019	0.816
2020	0.812
2021	0.81
2022	0.81
2023	0.811
2024	0.81