Year National currency per current international dollar 1980 145.931 1981 147.417 1982 147 1983 164.812 1984 158.199 1985 159.385 1986 163.411 1987 166.636 1988 161.217 1989 156.625 1990 146.559 1991 146.028 1992 145.144 1993 138.09 1994 180.382 1995 175.214 1996 200.471 1997 220.609 1998 213.606 1999 214.805 2000 208.13 2001 206.992 2002 214.013 2003 204.033 2004 194.893 2005 200.112 2006 193.246 2007 197.541 2008 216.591 2009 218.359 2010 217.207 2011 215.06 2012 214.62 2013 214.543 2014 210.392 2015 215.399 2016 217.138 2017 213.836 2018 213.197 2019 214.388 2020 216.304 2021 218.256 2022 220.248 2023 222.249 2024 224.224