Year	National currency per current international dollar
1980	0.368
1981	0.524
1982	0.739
1983	0.997
1984	1.95
1985	3.954
1986	8.176
1987	22.473
1988	62.921
1989	130.404
1990	181.432
1991	207.111
1992	276.38
1993	315.463
1994	340.222
1995	361.638
1996	371.217
1997	393.64
1998	411.43
1999	418.844
2000	441.744
2001	428.608
2002	433.928
2003	453.977
2004	474.595
2005	477
2006	502.651
2007	530.208
2008	601.882
2009	701.442
2010	751.315
2011	833.54
2012	925.088
2013	937.693
2014	964.679
2015	988.845
2016	1046.99
2017	1076.39
2018	1085.87
2019	1105.60
2020	1134.12
2021	1168.77
2022	1202.79
2023	1236.06
2024	1277.87