Year National currency per current international dollar 1980 141.736 1981 156.429 1982 160.398 1983 168.013 1984 170.467 1985 169.101 1986 170.824 1987 129.381 1988 131.955 1989 128.769 1990 143.243 1991 122.797 1992 120.313 1993 116.93 1994 167.784 1995 166.535 1996 185.721 1997 184.301 1998 149.834 1999 176.067 2000 220.587 2001 202.332 2002 200.012 2003 196.992 2004 205.844 2005 244.997 2006 257.983 2007 265.292 2008 297.987 2009 250.046 2010 288.248 2011 318.156 2012 302.984 2013 279.746 2014 271.9 2015 245.008 2016 232.011 2017 236.318 2018 249.073 2019 239.76 2020 239.502 2021 239.205 2022 237.606 2023 236.542 2024 236.975