Year	National currency per current international dollar
1980	3.297
1981	3.233
1982	3.098
1983	3.076
1984	3.062
1985	3.035
1986	3.147
1987	3.183
1988	3.196
1989	3.141
1990	3.22
1991	3.051
1992	3.122
1993	3.143
1994	3.159
1995	3.03
1996	2.794
1997	2.771
1998	3.025
1999	3.044
2000	3.014
2001	3.131
2002	3.194
2003	3.322
2004	4.033
2005	3.929
2006	3.869
2007	4.213
2008	5.577
2009	7.056
2010	6.682
2011	6.69
2012	7.291
2013	7.454
2014	7.481
2015	7.559
2016	7.418
2017	7.434
2018	7.519
2019	7.635
2020	7.715
2021	7.76
2022	7.801
2023	7.871
2024	7.941