Year National currency per current international dollar 1980 0.908 1981 0.865 1982 0.854 1983 0.848 1984 0.835 1985 0.827 1986 0.837 1987 0.832 1988 0.815 1989 0.803 1990 0.799 1991 0.886 1992 0.915 1993 0.932 1994 0.931 1995 0.929 1996 0.918 1997 0.904 1998 0.901 1999 0.893 2000 0.867 2001 0.858 2002 0.856 2003 0.851 2004 0.842 2005 0.82 2006 0.797 2007 0.788 2008 0.782 2009 0.789 2010 0.787 2011 0.779 2012 0.774 2013 0.775 2014 0.774 2015 0.783 2016 0.786 2017 0.78 2018 0.777 2019 0.776 2020 0.777 2021 0.778 2022 0.78 2023 0.782 2024 0.784