Year	National currency per current international dollar (Units)
1980	0.464
1981	0.474
1982	0.491
1983	0.498
1984	0.519
1985	0.533
1986	0.544
1987	0.552
1988	0.550
1989	0.555
1990	0.564
1991	0.567
1992	0.588
1993	0.604
1994	0.622
1995	0.634
1996	0.639
1997	0.642
1998	0.647
1999	0.653
2000	0.656
2001	0.665
2002	0.657
2003	0.679
2004	0.679
2005	0.671
2006	0.671
2007	0.681
2008	0.700
2009	0.697
2010	0.702
2011	0.699
2012	0.707
2013	0.687
2014	0.680
2015	0.663
2016	0.622
2017	0.615
2018	0.607
2019	0.605
2020	0.589
2021	0.579
2022	0.573
2023	0.578
2024	0.587
2025	0.591
2026	0.593
2027	0.596
2028	0.597
2029	0.597