Year National currency per current international dollar 1980 1.421 1981 1.332 1982 1.308 1983 1.297 1984 1.211 1985 1.552 1986 1.44 1987 1.32 1988 1.313 1989 1.336 1990 1.331 1991 1.535 1992 1.738 1993 1.921 1994 1.93 1995 2.131 1996 2.077 1997 2.057 1998 2.042 1999 2.034 2000 2.034 2001 1.892 2002 1.794 2003 1.985 2004 2.044 2005 2.162 2006 2.326 2007 2.646 2008 3.369 2009 4.103 2010 4.192 2011 4.919 2012 6.443 2013 6.683 2014 7.277 2015 7.979 2016 8.678 2017 9.063 2018 10.032 2019 10.968 2020 11.685 2021 12.444 2022 13.212 2023 14.063 2024 14.944