Year	National currency per current international dollar
1980	1.331
1981	1.451
1982	1.485
1983	1.488
1984	1.506
1985	1.51
1986	1.551
1987	1.641
1988	1.602
1989	1.597
1990	1.644
1991	1.649
1992	1.642
1993	1.595
1994	1.597
1995	1.599
1996	1.63
1997	1.621
1998	1.648
1999	1.664
2000	1.621
2001	1.694
2002	1.687
2003	1.61
2004	1.624
2005	1.613
2006	1.637
2007	1.651
2008	1.737
2009	1.707
2010	1.744
2011	1.691
2012	1.679
2013	1.676
2014	1.655
2015	1.686
2016	1.688
2017	1.676
2018	1.692
2019	1.7
2020	1.698
2021	1.697
2022	1.696
2023	1.695
2024	1.693