Year	National currency per current international dollar
1980	0.7
1981	0.648
1982	0.65
1983	0.67
1984	0.656
1985	0.682
1986	0.697
1987	0.734
1988	0.743
1989	0.694
1990	0.697
1991	0.715
1992	0.743
1993	0.775
1994	0.765
1995	0.757
1996	0.764
1997	0.778
1998	0.826
1999	0.87
2000	0.811
2001	0.82
2002	0.834
2003	0.883
2004	0.878
2005	0.927
2006	0.933
2007	0.936
2008	0.939
2009	0.945
2010	0.973
2011	1.042
2012	1.059
2013	1.079
2014	1.1
2015	1.133
2016	1.166
2017	1.167
2018	1.176
2019	1.19
2020	1.202
2021	1.214
2022	1.226
2023	1.24
2024	1.252