Year	National currency per current international dollar (Units)
1980	4.882
1981	4.653
1982	4.847
1983	5.298
1984	5.324
1985	5.472
1986	5.734
1987	6.173
1988	6.756
1989	7.257
1990	7.630
1991	8.187
1992	8.415
1993	9.142
1994	9.709
1995	10.082
1996	10.008
1997	10.256
1998	11.004
1999	11.720
2000	11.853
2001	12.330
2002	12.895
2003	13.349
2004	13.893
2005	14.047
2006	14.541
2007	15.334
2008	15.899
2009	15.698
2010	15.685
2011	15.853
2012	16.459
2013	16.560
2014	16.818
2015	16.882
2016	16.622
2017	16.882
2018	16.781
2019	16.427
2020	16.630
2021	16.403
2022	16.817
2023	17.264
2024	17.826
2025	18.126
2026	18.504
2027	18.843
2028	19.170
2029	19.498