Year	National currency per current international dollar
1980	77.779
1981	117.459
1982	146.027
1983	190.28
1984	138.816
1985	194.867
1986	145.235
1987	98.561
1988	86.134
1989	103.768
1990	99.23
1991	130.893
1992	124.73
1993	99.585
1994	103.862
1995	187.809
1996	173.8
1997	174.667
1998	191.395
1999	187.866
2000	190.244
2001	196.903
2002	200.523
2003	190.793
2004	183.215
2005	187.986
2006	178.317
2007	181.26
2008	199.982
2009	193.59
2010	197.035
2011	220.085
2012	214.106
2013	208.453
2014	204.279
2015	226.578
2016	237.791
2017	247.213
2018	240.733
2019	244.484
2020	244.833
2021	246.036
2022	247.936
2023	249.98
2024	251.989