Year National currency per current international dollar 1989 0.001 1990 0.065 1991 1.915 1992 2.311 1993 2.72 1994 2.819 1995 3.13 1996 3.37 1997 3.636 1998 4.1 1999 4.415 2000 4.688 2001 4.92 2002 5 2003 5.171 2004 5.491 2005 5.851 2006 6.146 2007 6.565 2008 7.482 2009 7.874 2010 8.261 2011 8.919 2012 9.297 2013 9.534 2014 10.142 2015 10.676 2016 11.077 2017 11.404 2018 11.707 2019 12.094 2020 12.312 2021 12.538 2022 12.779 2023 13.036 2024 13.411