Year	National currency per current international dollar
1980	1.079
1981	1.148
1982	1.163
1983	1.126
1984	1.155
1985	1.173
1986	1.242
1987	1.281
1988	1.329
1989	1.343
1990	1.388
1991	1.303
1992	1.367
1993	1.381
1994	1.434
1995	1.462
1996	1.447
1997	1.491
1998	1.522
1999	1.532
2000	1.516
2001	1.542
2002	1.55
2003	1.541
2004	1.571
2005	1.516
2006	1.626
2007	1.745
2008	1.762
2009	1.75
2010	1.755
2011	1.803
2012	1.741
2013	1.722
2014	1.72
2015	1.701
2016	1.684
2017	1.69
2018	1.648
2019	1.625
2020	1.626
2021	1.627
2022	1.628
2023	1.626
2024	1.624