Year	National currency per current international dollar
1980	10.976
1981	10.544
1982	10.497
1983	10.603
1984	10.881
1985	11.171
1986	11.361
1987	12.001
1988	13.624
1989	15.566
1990	18.856
1991	24.753
1992	29.407
1993	34.839
1994	40.759
1995	50.075
1996	60.01
1997	70.798
1998	79.507
1999	84.701
2000	91.022
2001	99.068
2002	105.659
2003	109.483
2004	111.93
2005	111.185
2006	111.734
2007	114.711
2008	118.148
2009	121.991
2010	123.428
2011	123.65
2012	125.41
2013	126.874
2014	128.694
2015	129.759
2016	129.493
2017	131.939
2018	134.873
2019	136.492
2020	137.711
2021	138.954
2022	140.221
2023	141.495
2024	142.753