Year	National currency per current international dollar (Units)
1980	3.980
1981	4.025
1982	4.160
1983	4.186
1984	4.429
1985	4.525
1986	4.601
1987	4.877
1988	5.125
1989	5.551
1990	5.756
1991	6.076
1992	6.529
1993	6.927
1994	7.211
1995	7.355
1996	7.648
1997	7.951
1998	7.959
1999	7.526
2000	7.110
2001	6.830
2002	6.497
2003	5.988
2004	5.622
2005	5.443
2006	5.252
2007	5.274
2008	5.240
2009	5.189
2010	5.140
2011	5.233
2012	5.454
2013	5.548
2014	5.706
2015	5.831
2016	5.932
2017	6.011
2018	6.092
2019	6.114
2020	6.073
2021	5.846
2022	5.554
2023	5.455
2024	5.573
2025	5.607
2026	5.633
2027	5.657
2028	5.682
2029	5.704