Year	National currency per current international dollar
1980	170.716
1981	173.896
1982	180.155
1983	186.887
1984	201.483
1985	183.783
1986	172.589
1987	171.287
1988	156.683
1989	152.882
1990	145.009
1991	133.112
1992	131.577
1993	128.349
1994	166.772
1995	176.641
1996	181.094
1997	186.119
1998	188.579
1999	185.81
2000	187.903
2001	190.727
2002	193.001
2003	188.649
2004	184.766
2005	191.897
2006	188.905
2007	191.983
2008	202.424
2009	213.103
2010	216.048
2011	221.087
2012	227.286
2013	226.802
2014	222.353
2015	222.238
2016	220.363
2017	216.012
2018	217.69
2019	218.614
2020	218.432
2021	218.467
2022	216.989
2023	216.758
2024	216.491