Year National currency per current international dollar (Units) 1980 480.306 1981 511.569 1982 512.912 1983 517.376 1984 521.431 1985 525.592 1986 540.812 1987 553.229 1988 572.449 1989 584.258 1990 619.992 1991 654.527 1992 689.717 1993 715.889 1994 758.109 1995 794.702 1996 812.494 1997 830.696 1998 858.231 1999 835.849 2000 825.686 2001 835.593 2002 847.763 2003 860.032 2004 863.709 2005 846.169 2006 819.023 2007 816.710 2008 823.920 2009 848.420 2010 861.179 2011 854.586 2012 854.887 2013 869.081 2014 871.878 2015 857.368 2016 858.993 2017 871.696 2018 856.290 2019 835.085 2020 837.090 2021 822.506 2022 778.206 2023 766.334 2024 765.841 2025 769.298 2026 771.163 2027 772.260 2028 773.164 2029 773.604