Year	National currency per current international dollar
1980	5.055
1981	6.517
1982	11.303
1983	14.025
1984	15.795
1985	18.457
1986	21.358
1987	22.957
1988	26.353
1989	29.225
1990	33.381
1991	52.956
1992	61.971
1993	66.819
1994	75.666
1995	89.837
1996	101.683
1997	114.559
1998	127.046
1999	139.516
2000	149.313
2001	160.368
2002	173.438
2003	188.534
2004	208.277
2005	228.452
2006	250.65
2007	269.809
2008	294.879
2009	321.408
2010	338.581
2011	346.738
2012	355.032
2013	362.913
2014	376.823
2015	386.918
2016	390.402
2017	392.887
2018	393.257
2019	400.749
2020	404.201
2021	406.641
2022	410.149
2023	413.347
2024	417.181