Year	National currency per current international dollar
1980	140.381
1981	131.774
1982	127.772
1983	126.61
1984	125.852
1985	125.66
1986	126.901
1987	127.599
1988	106.598
1989	95.713
1990	91.515
1991	87.21
1992	83.929
1993	81.059
1994	108.533
1995	109.914
1996	127.358
1997	131.415
1998	106.272
1999	135.512
2000	194.9
2001	164.159
2002	158.792
2003	149.269
2004	169.787
2005	199.779
2006	229.821
2007	200.462
2008	238.175
2009	212.099
2010	266.008
2011	289.299
2012	272.974
2013	258.104
2014	238.207
2015	166.859
2016	155.05
2017	177.715
2018	205.024
2019	196.911
2020	191.369
2021	184.879
2022	176.245
2023	171.031
2024	168.885