Year	National currency per current international dollar
1980	0.956
1981	0.843
1982	0.794
1983	0.798
1984	0.579
1985	0.624
1986	0.667
1987	0.732
1988	0.784
1989	0.807
1990	0.809
1991	0.865
1992	0.945
1993	0.992
1994	0.981
1995	0.928
1996	0.969
1997	0.951
1998	0.965
1999	1.013
2000	1.045
2001	1.086
2002	1.166
2003	1.23
2004	1.271
2005	1.381
2006	1.491
2007	1.551
2008	1.554
2009	1.553
2010	1.609
2011	1.639
2012	1.631
2013	1.615
2014	1.605
2015	1.62
2016	1.673
2017	1.697
2018	1.696
2019	1.714
2020	1.715
2021	1.715
2022	1.716
2023	1.716
2024	1.716