Year	National currency per current international dollar (Units)
1980	0.137
1981	0.148
1982	0.165
1983	0.201
1984	0.241
1985	0.282
1986	0.327
1987	0.349
1988	0.382
1989	0.407
1990	0.437
1991	0.469
1992	0.499
1993	0.514
1994	0.537
1995	0.556
1996	0.559
1997	0.571
1998	0.586
1999	0.597
2000	0.604
2001	0.613
2002	0.629
2003	0.638
2004	0.636
2005	0.637
2006	0.638
2007	0.639
2008	0.638
2009	0.641
2010	0.638
2011	0.623
2012	0.605
2013	0.584
2014	0.579
2015	0.585
2016	0.571
2017	0.575
2018	0.572
2019	0.573
2020	0.577
2021	0.562
2022	0.551
2023	0.570
2024	0.571
2025	0.572
2026	0.572
2027	0.573
2028	0.574
2029	0.574