Year	National currency per current international dollar
1980	1.113
1981	1.07
1982	1.011
1983	1.116
1984	1.253
1985	1.432
1986	1.599
1987	3.296
1988	4.412
1989	12.171
1990	18.371
1991	40.471
1992	44.622
1993	49.988
1994	58.195
1995	63.837
1996	64.952
1997	64.809
1998	65.63
1999	72.401
2000	74.918
2001	73.734
2002	75.21
2003	77.674
2004	79.968
2005	83.585
2006	85.917
2007	94.298
2008	100.842
2009	102.211
2010	107.806
2011	114.435
2012	118.916
2013	116.775
2014	114.212
2015	113.942
2016	119.514
2017	118.82
2018	117.05
2019	117.181
2020	107.345
2021	101.236
2022	98.732
2023	92.616
2024	90.495