Year	National currency per current international dollar (Units)
1980	0.402
1981	0.399
1982	0.394
1983	0.404
1984	0.406
1985	0.468
1986	0.649
1987	0.683
1988	0.737
1989	0.787
1990	1.066
1991	1.371
1992	1.460
1993	1.634
1994	1.788
1995	1.903
1996	2.035
1997	2.167
1998	2.346
1999	2.430
2000	2.540
2001	2.654
2002	2.784
2003	2.845
2004	2.910
2005	2.961
2006	3.016
2007	3.119
2008	3.354
2009	3.379
2010	3.501
2011	3.637
2012	3.648
2013	3.717
2014	3.767
2015	3.732
2016	3.858
2017	3.933
2018	3.893
2019	3.966
2020	4.026
2021	3.954
2022	3.923
2023	3.972
2024	4.039
2025	4.105
2026	4.168
2027	4.232
2028	4.299
2029	4.365