Year	National currency per current international dollar (Units)
1980	26.885
1981	26.915
1982	29.760
1983	31.666
1984	33.244
1985	33.408
1986	38.545
1987	40.370
1988	41.110
1989	40.955
1990	40.418
1991	40.979
1992	41.342
1993	44.884
1994	47.059
1995	48.216
1996	49.144
1997	49.456
1998	50.587
1999	53.373
2000	50.842
2001	50.376
2002	49.439
2003	45.691
2004	43.995
2005	44.485
2006	40.815
2007	35.937
2008	36.800
2009	44.528
2010	49.365
2011	49.695
2012	51.141
2013	51.855
2014	51.840
2015	50.453
2016	49.364
2017	48.477
2018	48.199
2019	47.707
2020	47.418
2021	45.214
2022	45.511
2023	45.812
2024	45.652
2025	45.768
2026	45.819
2027	45.867
2028	45.919
2029	45.938