Year	National currency per current international dollar (Units)
1980	0.420
1981	0.370
1982	0.384
1983	0.399
1984	0.470
1985	0.562
1986	0.590
1987	0.674
1988	0.820
1989	0.838
1990	0.801
1991	0.824
1992	0.886
1993	0.959
1994	1.073
1995	1.130
1996	1.322
1997	1.364
1998	1.515
1999	1.714
2000	1.861
2001	1.957
2002	1.920
2003	1.934
2004	2.080
2005	2.335
2006	2.456
2007	2.535
2008	2.720
2009	3.112
2010	3.311
2011	3.655
2012	3.964
2013	4.126
2014	4.284
2015	4.430
2016	4.575
2017	4.734
2018	4.630
2019	4.569
2020	4.706
2021	4.885
2022	5.228
2023	5.395
2024	5.349
2025	5.489
2026	5.698
2027	5.852
2028	6.008
2029	6.168