Year	National currency per current international dollar
1980	24.535
1981	24.808
1982	23.942
1983	23.653
1984	23.124
1985	22.423
1986	23.06
1987	22.511
1988	21.757
1989	21.476
1990	21.768
1991	21.789
1992	21.986
1993	22.225
1994	22.132
1995	22.191
1996	22.3
1997	22.409
1998	22.884
1999	22.117
2000	21.437
2001	20.849
2002	20.441
2003	19.788
2004	19.22
2005	18.354
2006	17.632
2007	17.097
2008	16.335
2009	16.233
2010	15.799
2011	15.112
2012	14.908
2013	14.867
2014	14.838
2015	15.159
2016	15.129
2017	14.676
2018	14.205
2019	14.06
2020	13.839
2021	13.652
2022	13.523
2023	13.42
2024	13.337