Year	National currency per current international dollar (Units)
1980	1.557
1981	1.467
1982	1.489
1983	1.490
1984	1.485
1985	1.463
1986	1.465
1987	1.462
1988	1.541
1989	1.654
1990	1.993
1991	2.434
1992	2.467
1993	2.673
1994	3.176
1995	3.848
1996	4.467
1997	5.129
1998	5.594
1999	5.934
2000	6.267
2001	6.624
2002	6.857
2003	7.112
2004	7.373
2005	7.669
2006	7.837
2007	8.136
2008	8.604
2009	9.206
2010	9.521
2011	10.057
2012	10.370
2013	10.332
2014	10.398
2015	10.474
2016	10.393
2017	10.362
2018	10.327
2019	10.575
2020	10.921
2021	10.839
2022	11.053
2023	11.386
2024	11.634
2025	11.950
2026	12.223
2027	12.471
2028	12.731
2029	12.992