Year National currency per current international dollar (Units) 1980 0.344 1981 0.382 1982 0.422 1983 0.468 1984 0.500 1985 0.529 1986 0.558 1987 0.577 1988 0.594 1989 0.607 1990 0.624 1991 0.650 1992 0.664 1993 0.673 1994 0.683 1995 0.714 1996 0.734 1997 0.740 1998 0.749 1999 0.750 2000 0.747 2001 0.752 2002 0.765 2003 0.774 2004 0.774 2005 0.765 2006 0.758 2007 0.756 2008 0.760 2009 0.768 2010 0.762 2011 0.759 2012 0.748 2013 0.737 2014 0.740 2015 0.738 2016 0.701 2017 0.687 2018 0.678 2019 0.673 2020 0.675 2021 0.654 2022 0.633 2023 0.643 2024 0.645 2025 0.649 2026 0.650 2027 0.651 2028 0.651 2029 0.652