Year	National currency per current international dollar (Units)
1980	9.165
1981	9.074
1982	8.978
1983	8.955
1984	8.768
1985	8.684
1986	8.653
1987	8.843
1988	9.047
1989	9.238
1990	9.413
1991	9.587
1992	9.751
1993	9.743
1994	9.985
1995	10.342
1996	10.572
1997	10.852
1998	11.597
1999	11.141
2000	11.039
2001	11.003
2002	11.018
2003	11.037
2004	11.131
2005	11.342
2006	11.564
2007	11.538
2008	11.901
2009	11.851
2010	12.187
2011	12.387
2012	12.250
2013	12.301
2014	12.488
2015	12.641
2016	12.731
2017	12.845
2018	12.736
2019	12.653
2020	12.326
2021	11.997
2022	11.736
2023	11.463
2024	11.283
2025	11.134
2026	11.156
2027	11.276
2028	11.315
2029	11.273