Year	National currency per current international dollar
1980	27.182
1981	27.213
1982	30.09
1983	32.017
1984	33.614
1985	33.779
1986	38.973
1987	40.82
1988	41.568
1989	41.412
1990	40.868
1991	41.436
1992	41.803
1993	45.385
1994	47.584
1995	48.754
1996	49.693
1997	50.008
1998	51.151
1999	53.952
2000	51.409
2001	50.966
2002	50.011
2003	49.972
2004	48.359
2005	47.192
2006	47.202
2007	47.217
2008	47.959
2009	48.631
2010	48.314
2011	48.592
2012	47.941
2013	47.787
2014	46.831
2015	47.14
2016	46.522
2017	45.905
2018	45.452
2019	45.414
2020	45.328
2021	45.284
2022	45.249
2023	45.233
2024	45.201