Year	National currency per current international dollar (Units)
1980	8.178
1981	8.026
1982	8.247
1983	8.848
1984	9.600
1985	10.188
1986	10.937
1987	11.643
1988	12.156
1989	12.564
1990	12.890
1991	13.055
1992	12.966
1993	12.928
1994	13.372
1995	13.843
1996	14.138
1997	14.496
1998	14.941
1999	15.265
2000	15.427
2001	15.627
2002	16.142
2003	16.647
2004	16.955
2005	17.305
2006	17.828
2007	18.606
2008	19.580
2009	20.817
2010	22.118
2011	23.410
2012	23.787
2013	24.966
2014	25.819
2015	27.284
2016	28.499
2017	29.738
2018	30.429
2019	31.039
2020	31.866
2021	31.874
2022	31.335
2023	32.017
2024	32.913
2025	34.126
2026	35.423
2027	36.731
2028	38.036
2029	39.406