Year	National currency per current international dollar (Units)
1980	183.107
1981	186.518
1982	193.229
1983	200.452
1984	216.105
1985	197.121
1986	185.115
1987	183.710
1988	168.047
1989	163.969
1990	155.526
1991	146.692
1992	136.012
1993	127.774
1994	152.957
1995	156.177
1996	164.027
1997	172.533
1998	181.078
1999	179.195
2000	180.795
2001	185.737
2002	187.611
2003	183.535
2004	179.400
2005	188.941
2006	186.060
2007	193.920
2008	209.584
2009	216.959
2010	221.857
2011	226.128
2012	233.427
2013	242.084
2014	244.000
2015	249.921
2016	257.019
2017	258.460
2018	258.661
2019	254.941
2020	254.007
2021	250.414
2022	243.037
2023	241.057
2024	243.400
2025	245.672
2026	246.665
2027	246.936
2028	247.210
2029	247.417