Year	National currency per current international dollar
1980	239.87
1981	225.551
1982	216.133
1983	209.954
1984	205.628
1985	201.835
1986	201.042
1987	195.88
1988	190.39
1989	187.071
1990	185.02
1991	184.207
1992	183.104
1993	179.883
1994	176.59
1995	172.041
1996	168.108
1997	166.091
1998	164.168
1999	159.712
2000	154.059
2001	149.087
2002	144.625
2003	139.693
2004	134.533
2005	129.116
2006	124.216
2007	120.084
2008	116.637
2009	115.047
2010	111.567
2011	107.454
2012	104.629
2013	102.482
2014	102.335
2015	103.424
2016	102.58
2017	100.444
2018	98.136
2019	97.02
2020	96.213
2021	94.673
2022	93.16
2023	91.787
2024	90.491