Year National currency per current international dollar 1980 0.081 1981 0.09 1982 0.108 1983 0.126 1984 0.148 1985 0.171 1986 0.199 1987 0.224 1988 0.252 1989 0.278 1990 0.323 1991 0.375 1992 0.421 1993 0.47 1994 0.512 1995 0.55 1996 0.582 1997 0.609 1998 0.633 1999 0.647 2000 0.643 2001 0.651 2002 0.662 2003 0.673 2004 0.675 2005 0.669 2006 0.672 2007 0.677 2008 0.693 2009 0.705 2010 0.702 2011 0.693 2012 0.678 2013 0.65 2014 0.626 2015 0.618 2016 0.61 2017 0.602 2018 0.593 2019 0.589 2020 0.585 2021 0.582 2022 0.58 2023 0.578 2024 0.576