Year	National currency per current international dollar
1980	0.84
1981	0.807
1982	0.818
1983	0.831
1984	0.846
1985	0.858
1986	0.864
1987	0.857
1988	0.846
1989	0.853
1990	0.846
1991	0.842
1992	0.851
1993	0.864
1994	0.864
1995	0.881
1996	0.869
1997	0.862
1998	0.868
1999	0.86
2000	0.858
2001	0.858
2002	0.858
2003	0.859
2004	0.853
2005	0.845
2006	0.839
2007	0.834
2008	0.834
2009	0.834
2010	0.84
2011	0.839
2012	0.839
2013	0.834
2014	0.824
2015	0.823
2016	0.829
2017	0.827
2018	0.82
2019	0.819
2020	0.816
2021	0.812
2022	0.81
2023	0.809
2024	0.807