Year National currency per current international dollar (Units) 1980 65.743 1981 66.535 1982 68.539 1983 67.520 1984 64.539 1985 65.431 1986 59.606 1987 58.884 1988 58.228 1989 64.909 1990 61.532 1991 69.508 1992 72.411 1993 81.988 1994 85.647 1995 130.110 1996 145.103 1997 164.781 1998 166.671 1999 159.440 2000 161.046 2001 156.887 2002 146.534 2003 172.903 2004 186.972 2005 197.704 2006 196.548 2007 216.046 2008 242.692 2009 258.410 2010 263.396 2011 276.649 2012 299.239 2013 302.895 2014 297.072 2015 299.615 2016 311.476 2017 325.126 2018 315.828 2019 318.171 2020 335.174 2021 329.215 2022 356.844 2023 381.765 2024 395.264 2025 407.915 2026 420.345 2027 433.033 2028 446.351 2029 460.011