Year	National currency per current international dollar (Units)
1980	0.740
1981	0.754
1982	0.775
1983	0.807
1984	0.845
1985	0.862
1986	0.885
1987	0.900
1988	0.937
1989	0.960
1990	0.978
1991	0.960
1992	0.947
1993	0.941
1994	0.939
1995	0.958
1996	0.940
1997	0.943
1998	0.962
1999	0.957
2000	0.951
2001	0.961
2002	0.955
2003	0.938
2004	0.919
2005	0.900
2006	0.881
2007	0.881
2008	0.891
2009	0.901
2010	0.893
2011	0.898
2012	0.908
2013	0.905
2014	0.907
2015	0.908
2016	0.881
2017	0.863
2018	0.861
2019	0.860
2020	0.862
2021	0.844
2022	0.831
2023	0.840
2024	0.840
2025	0.842
2026	0.840
2027	0.841
2028	0.843
2029	0.844