Year	National currency per current international dollar (Units)
1980	6.642
1981	9.042
1982	13.080
1983	22.226
1984	27.216
1985	34.802
1986	42.404
1987	49.699
1988	59.043
1989	69.716
1990	77.444
1991	81.194
1992	81.938
1993	81.314
1994	81.642
1995	82.319
1996	82.843
1997	83.682
1998	86.653
1999	88.443
2000	89.964
2001	95.641
2002	99.708
2003	98.259
2004	98.245
2005	98.179
2006	103.448
2007	105.084
2008	115.609
2009	127.315
2010	133.797
2011	135.152
2012	136.968
2013	137.023
2014	138.548
2015	141.937
2016	140.044
2017	137.122
2018	137.579
2019	141.338
2020	145.098
2021	147.568
2022	150.067
2023	153.332
2024	156.646
2025	158.890
2026	161.079
2027	163.464
2028	165.676
2029	167.865