Year	National currency per current international dollar (Units)
1980	0.337
1981	0.352
1982	0.376
1983	0.407
1984	0.433
1985	0.457
1986	0.493
1987	0.508
1988	0.517
1989	0.532
1990	0.550
1991	0.570
1992	0.595
1993	0.614
1994	0.623
1995	0.631
1996	0.641
1997	0.645
1998	0.653
1999	0.661
2000	0.669
2001	0.681
2002	0.698
2003	0.711
2004	0.720
2005	0.726
2006	0.733
2007	0.738
2008	0.740
2009	0.737
2010	0.729
2011	0.714
2012	0.695
2013	0.675
2014	0.662
2015	0.665
2016	0.643
2017	0.630
2018	0.624
2019	0.622
2020	0.621
2021	0.610
2022	0.593
2023	0.606
2024	0.607
2025	0.611
2026	0.609
2027	0.608
2028	0.608
2029	0.607