Year National currency per current international dollar (Units) 1980 6.593 1981 6.667 1982 6.916 1983 7.147 1984 7.309 1985 7.389 1986 7.411 1987 7.576 1988 7.606 1989 7.683 1990 7.598 1991 7.545 1992 7.499 1993 7.368 1994 7.327 1995 7.269 1996 7.281 1997 7.302 1998 7.310 1999 7.330 2000 7.384 2001 7.403 2002 7.461 2003 7.425 2004 7.382 2005 7.365 2006 7.293 2007 7.274 2008 7.431 2009 7.425 2010 7.572 2011 7.466 2012 7.564 2013 7.355 2014 7.329 2015 7.303 2016 7.081 2017 6.852 2018 6.748 2019 6.707 2020 6.813 2021 6.700 2022 6.765 2023 6.320 2024 6.131 2025 6.144 2026 6.151 2027 6.161 2028 6.175 2029 6.188