Year National currency per current international dollar 1980 6.783 1981 6.858 1982 7.115 1983 7.353 1984 7.519 1985 7.601 1986 7.624 1987 7.794 1988 7.825 1989 7.904 1990 7.817 1991 7.762 1992 7.715 1993 7.58 1994 7.538 1995 7.478 1996 7.491 1997 7.512 1998 7.521 1999 7.539 2000 7.596 2001 7.62 2002 7.678 2003 7.65 2004 7.605 2005 7.589 2006 7.52 2007 7.501 2008 7.662 2009 7.644 2010 7.8 2011 7.689 2012 7.724 2013 7.658 2014 7.593 2015 7.545 2016 7.518 2017 7.481 2018 7.353 2019 7.32 2020 7.283 2021 7.264 2022 7.264 2023 7.286 2024 7.308