Year	National currency per current international dollar
1980	48.494
1981	51.728
1982	51.776
1983	57.017
1984	69.379
1985	84.423
1986	109.005
1987	138.865
1988	167.784
1989	212.297
1990	277.391
1991	397.884
1992	443.803
1993	486.509
1994	536.229
1995	583.392
1996	638.335
1997	648.919
1998	746.026
1999	813.95
2000	912.905
2001	1017.80
2002	1181.79
2003	1335.96
2004	1454.90
2005	1593.72
2006	1683.89
2007	1847.04
2008	2032.73
2009	2092.85
2010	2163.72
2011	2227.34
2012	2289.92
2013	2349.69
2014	2370.74
2015	2383.29
2016	2454.76
2017	2460.65
2018	2524.22
2019	2559.02
2020	2619.86
2021	2665.64
2022	2708.29
2023	2745.38
2024	2776.29