Year	National currency per current international dollar
1980	0.332
1981	0.347
1982	0.371
1983	0.401
1984	0.427
1985	0.45
1986	0.487
1987	0.502
1988	0.51
1989	0.525
1990	0.543
1991	0.562
1992	0.587
1993	0.606
1994	0.614
1995	0.622
1996	0.632
1997	0.636
1998	0.645
1999	0.652
2000	0.66
2001	0.672
2002	0.689
2003	0.703
2004	0.711
2005	0.718
2006	0.725
2007	0.73
2008	0.731
2009	0.727
2010	0.72
2011	0.705
2012	0.693
2013	0.683
2014	0.669
2015	0.665
2016	0.66
2017	0.656
2018	0.647
2019	0.645
2020	0.643
2021	0.641
2022	0.64
2023	0.639
2024	0.638