Year	National currency per current international dollar (Units)
1980	24.721
1981	24.998
1982	24.126
1983	23.838
1984	23.304
1985	22.595
1986	23.235
1987	22.682
1988	21.924
1989	21.641
1990	21.931
1991	21.953
1992	22.152
1993	22.393
1994	22.300
1995	22.360
1996	22.472
1997	22.578
1998	23.053
1999	22.294
2000	21.602
2001	20.992
2002	20.588
2003	19.905
2004	19.239
2005	18.373
2006	17.602
2007	17.048
2008	16.284
2009	16.204
2010	15.804
2011	15.151
2012	15.081
2013	15.042
2014	15.250
2015	15.476
2016	15.776
2017	15.730
2018	15.287
2019	15.011
2020	15.093
2021	14.723
2022	14.037
2023	13.883
2024	13.811
2025	13.783
2026	13.732
2027	13.682
2028	13.641
2029	13.585