Year	National currency per current international dollar (Units)
1980	1.799
1981	1.736
1982	1.755
1983	1.730
1984	1.732
1985	1.717
1986	1.735
1987	1.730
1988	1.717
1989	1.709
1990	1.724
1991	1.757
1992	1.755
1993	1.754
1994	1.738
1995	1.715
1996	1.688
1997	1.652
1998	1.631
1999	1.608
2000	1.594
2001	1.574
2002	1.546
2003	1.534
2004	1.499
2005	1.466
2006	1.453
2007	1.448
2008	1.442
2009	1.439
2010	1.427
2011	1.397
2012	1.354
2013	1.312
2014	1.282
2015	1.235
2016	1.202
2017	1.180
2018	1.162
2019	1.142
2020	1.119
2021	1.083
2022	1.038
2023	1.011
2024	1.002
2025	0.997
2026	0.990
2027	0.983
2028	0.976
2029	0.969