Year	National currency per current international dollar
1980	4.904
1981	4.673
1982	4.869
1983	5.321
1984	5.348
1985	5.496
1986	5.76
1987	6.201
1988	6.786
1989	7.29
1990	7.664
1991	8.224
1992	8.452
1993	9.184
1994	9.753
1995	10.127
1996	10.053
1997	10.302
1998	11.054
1999	11.77
2000	11.906
2001	12.392
2002	12.957
2003	13.428
2004	13.975
2005	14.134
2006	14.638
2007	15.44
2008	16.006
2009	15.781
2010	15.775
2011	15.941
2012	16.027
2013	16.183
2014	16.118
2015	16.101
2016	16.269
2017	16.182
2018	16.177
2019	16.307
2020	16.453
2021	16.601
2022	16.736
2023	16.807
2024	16.857