Year	National currency per current international dollar (Units)
1980	0.387
1981	0.331
1982	0.328
1983	0.298
1984	0.207
1985	0.194
1986	0.191
1987	0.185
1988	0.205
1989	0.223
1990	0.312
1991	0.325
1992	0.328
1993	0.348
1994	0.374
1995	0.407
1996	0.426
1997	0.433
1998	0.446
1999	0.444
2000	0.448
2001	0.453
2002	0.453
2003	0.457
2004	0.457
2005	0.462
2006	0.468
2007	0.476
2008	0.483
2009	0.480
2010	0.487
2011	0.505
2012	0.524
2013	0.510
2014	0.496
2015	0.488
2016	0.473
2017	0.463
2018	0.460
2019	0.456
2020	0.453
2021	0.451
2022	0.452
2023	0.448
2024	0.441
2025	0.444
2026	0.447
2027	0.448
2028	0.449
2029	0.450