Year	National currency per current international dollar (Units)
1980	0.582
1981	0.592
1982	0.609
1983	0.622
1984	0.663
1985	0.753
1986	0.817
1987	0.844
1988	1.005
1989	1.040
1990	1.107
1991	1.166
1992	1.266
1993	1.443
1994	1.624
1995	1.847
1996	1.960
1997	2.143
1998	2.277
1999	2.366
2000	2.543
2001	2.710
2002	2.906
2003	3.021
2004	3.056
2005	3.157
2006	3.186
2007	3.258
2008	3.530
2009	3.851
2010	3.926
2011	4.052
2012	4.497
2013	4.690
2014	4.982
2015	5.323
2016	5.788
2017	6.206
2018	6.238
2019	6.282
2020	6.359
2021	6.006
2022	6.104
2023	6.421
2024	6.589
2025	6.710
2026	6.810
2027	6.909
2028	7.015
2029	7.073