Year	National currency per current international dollar (Units)
1980	3.025
1981	3.087
1982	3.160
1983	3.474
1984	5.141
1985	5.862
1986	5.916
1987	6.206
1988	6.573
1989	6.896
1990	7.491
1991	8.433
1992	8.895
1993	9.281
1994	10.001
1995	10.545
1996	11.151
1997	11.648
1998	12.718
1999	13.335
2000	13.798
2001	14.252
2002	14.628
2003	14.802
2004	15.264
2005	15.675
2006	15.983
2007	16.054
2008	16.881
2009	17.237
2010	17.775
2011	18.098
2012	18.069
2013	18.426
2014	18.876
2015	19.001
2016	18.949
2017	19.385
2018	19.660
2019	19.470
2020	19.533
2021	19.103
2022	18.825
2023	18.974
2024	19.073
2025	19.205
2026	19.324
2027	19.442
2028	19.560
2029	19.676