Year	National currency per current international dollar (Units)
1980	145.267
1981	160.325
1982	164.392
1983	172.198
1984	174.712
1985	173.313
1986	175.078
1987	132.597
1988	135.235
1989	131.969
1990	146.803
1991	125.848
1992	123.303
1993	119.835
1994	171.951
1995	170.672
1996	190.335
1997	188.880
1998	153.559
1999	180.496
2000	226.069
2001	207.242
2002	204.922
2003	201.596
2004	210.662
2005	250.680
2006	263.820
2007	271.234
2008	304.717
2009	256.063
2010	295.039
2011	325.733
2012	326.274
2013	316.435
2014	310.415
2015	297.011
2016	289.721
2017	279.766
2018	292.136
2019	291.919
2020	262.424
2021	314.523
2022	333.677
2023	298.706
2024	291.061
2025	280.992
2026	273.259
2027	266.769
2028	261.671
2029	256.496