Year	National currency per current international dollar (Units)
1980	6.778
1981	6.473
1982	6.581
1983	6.959
1984	7.236
1985	7.459
1986	7.768
1987	7.943
1988	8.186
1989	8.497
1990	8.952
1991	9.370
1992	9.266
1993	9.265
1994	9.306
1995	9.462
1996	9.386
1997	9.368
1998	9.339
1999	9.291
2000	9.222
2001	9.243
2002	9.243
2003	9.218
2004	9.006
2005	8.792
2006	8.679
2007	8.689
2008	8.801
2009	8.953
2010	8.929
2011	8.844
2012	8.655
2013	8.598
2014	8.727
2015	8.852
2016	8.823
2017	8.719
2018	8.729
2019	8.803
2020	8.862
2021	8.692
2022	8.609
2023	8.773
2024	8.817
2025	8.866
2026	8.876
2027	8.886
2028	8.896
2029	8.904