Year	National currency per current international dollar (Units)
1980	196.615
1981	195.787
1982	204.853
1983	211.450
1984	205.881
1985	203.802
1986	187.102
1987	184.837
1988	184.626
1989	186.243
1990	182.774
1991	169.779
1992	166.373
1993	160.178
1994	179.787
1995	188.016
1996	185.280
1997	184.973
1998	197.442
1999	203.324
2000	197.190
2001	200.488
2002	203.455
2003	202.479
2004	197.355
2005	198.510
2006	191.295
2007	190.891
2008	204.438
2009	208.073
2010	213.344
2011	223.116
2012	238.979
2013	231.079
2014	231.326
2015	225.416
2016	215.197
2017	208.757
2018	206.633
2019	204.766
2020	215.431
2021	205.622
2022	203.891
2023	199.541
2024	199.112
2025	199.861
2026	200.398
2027	200.941
2028	201.490
2029	202.006