Year National currency per current international dollar 1980 27.889 1981 31.279 1982 36.755 1983 42.586 1984 50.219 1985 60.793 1986 76.976 1987 92.678 1988 114.364 1989 137.215 1990 169.608 1991 206.832 1992 248.778 1993 301.115 1994 370.346 1995 431.121 1996 494.783 1997 568.307 1998 645.006 1999 716.08 2000 778.545 2001 811.497 2002 846.536 2003 887.858 2004 927.55 2005 949.525 2006 974.936 2007 998.138 2008 1054.89 2009 1091.35 2010 1119.14 2011 1161.91 2012 1182.01 2013 1190.55 2014 1192.72 2015 1209.01 2016 1257.51 2017 1297.11 2018 1322.42 2019 1344.14 2020 1358.11 2021 1370.90 2022 1383.40 2023 1395.97 2024 1408.38