Year	National currency per current international dollar (Units)
1980	0.842
1981	0.809
1982	0.819
1983	0.833
1984	0.848
1985	0.860
1986	0.866
1987	0.859
1988	0.848
1989	0.855
1990	0.848
1991	0.844
1992	0.853
1993	0.867
1994	0.866
1995	0.883
1996	0.872
1997	0.863
1998	0.869
1999	0.862
2000	0.860
2001	0.858
2002	0.859
2003	0.857
2004	0.851
2005	0.842
2006	0.836
2007	0.829
2008	0.829
2009	0.828
2010	0.834
2011	0.832
2012	0.822
2013	0.806
2014	0.800
2015	0.800
2016	0.781
2017	0.773
2018	0.767
2019	0.768
2020	0.770
2021	0.760
2022	0.752
2023	0.751
2024	0.756
2025	0.758
2026	0.758
2027	0.758
2028	0.759
2029	0.759