Year	National currency per current international dollar
1980	29.242
1981	29.78
1982	31.59
1983	39.317
1984	43.562
1985	58.002
1986	69.422
1987	85.257
1988	101.046
1989	110.337
1990	130.277
1991	154.225
1992	171.622
1993	187.352
1994	209.411
1995	229.311
1996	232.104
1997	235.099
1998	234.907
1999	236.758
2000	241.563
2001	245.616
2002	250.024
2003	256.733
2004	269.691
2005	281.569
2006	306.607
2007	314.284
2008	307.816
2009	319.602
2010	344.44
2011	348.017
2012	345.378
2013	346.215
2014	359.798
2015	373.642
2016	385.954
2017	397.79
2018	396.869
2019	396.516
2020	399.98
2021	403.075
2022	406.003
2023	408.939
2024	412.254