Year National currency per current international dollar (Units) 1980 5.036 1981 5.124 1982 5.228 1983 5.296 1984 5.664 1985 5.680 1986 5.705 1987 5.854 1988 6.267 1989 6.550 1990 6.762 1991 7.390 1992 7.962 1993 8.425 1994 9.257 1995 10.315 1996 10.797 1997 11.953 1998 12.594 1999 13.081 2000 13.184 2001 13.671 2002 13.986 2003 14.234 2004 14.886 2005 15.134 2006 15.618 2007 16.671 2008 17.739 2009 20.284 2010 21.997 2011 24.962 2012 26.635 2013 28.522 2014 30.403 2015 31.468 2016 32.378 2017 33.589 2018 34.116 2019 36.364 2020 39.328 2021 41.756 2022 43.852 2023 53.464 2024 65.169 2025 72.394 2026 76.538 2027 79.920 2028 83.525 2029 87.292