Year National currency per current international dollar (Units) 1980 1.581 1981 1.470 1982 1.450 1983 1.499 1984 1.536 1985 1.607 1986 1.664 1987 1.717 1988 1.733 1989 1.808 1990 1.798 1991 1.873 1992 1.911 1993 1.917 1994 2.020 1995 1.994 1996 2.022 1997 2.017 1998 2.045 1999 2.068 2000 1.986 2001 1.983 2002 1.968 2003 1.869 2004 1.889 2005 1.805 2006 1.793 2007 1.772 2008 1.765 2009 1.895 2010 1.877 2011 1.870 2012 1.859 2013 1.867 2014 1.811 2015 1.841 2016 1.826 2017 1.738 2018 1.745 2019 1.793 2020 1.750 2021 1.724 2022 1.667 2023 1.664 2024 1.671 2025 1.676 2026 1.678 2027 1.680 2028 1.682 2029 1.683