Year	National currency per current international dollar
1980	1.581
1981	1.569
1982	1.364
1983	1.358
1984	1.547
1985	1.507
1986	1.543
1987	1.6
1988	1.553
1989	1.554
1990	1.622
1991	1.655
1992	1.647
1993	1.625
1994	1.632
1995	1.679
1996	1.657
1997	1.676
1998	1.697
1999	1.712
2000	1.694
2001	1.642
2002	1.623
2003	1.677
2004	1.645
2005	1.705
2006	1.74
2007	1.872
2008	1.759
2009	1.761
2010	1.899
2011	1.844
2012	1.807
2013	1.866
2014	1.907
2015	2.002
2016	1.961
2017	1.99
2018	1.996
2019	1.996
2020	1.998
2021	1.997
2022	1.996
2023	1.995
2024	1.993