Year National currency per current international dollar (Units) 1980 1.201 1981 1.278 1982 1.295 1983 1.254 1984 1.287 1985 1.306 1986 1.383 1987 1.426 1988 1.479 1989 1.495 1990 1.545 1991 1.451 1992 1.522 1993 1.538 1994 1.597 1995 1.628 1996 1.611 1997 1.661 1998 1.694 1999 1.706 2000 1.648 2001 1.665 2002 1.697 2003 1.692 2004 1.711 2005 1.632 2006 1.807 2007 1.871 2008 1.862 2009 1.907 2010 1.894 2011 1.961 2012 2.016 2013 2.034 2014 2.035 2015 2.035 2016 2.038 2017 2.040 2018 1.987 2019 1.932 2020 1.782 2021 1.670 2022 1.625 2023 1.663 2024 1.647 2025 1.652 2026 1.655 2027 1.657 2028 1.660 2029 1.662