Year National currency per current international dollar 1992 1.037 1993 5.496 1994 13.559 1995 15.548 1996 15.704 1997 16.05 1998 16.092 1999 16.306 2000 17.25 2001 17.677 2002 17.566 2003 17.53 2004 17.042 2005 17.337 2006 17.375 2007 17.697 2008 18.313 2009 18.228 2010 18.386 2011 18.68 2012 18.512 2013 19.009 2014 18.926 2015 19.1 2016 19.549 2017 19.839 2018 20.238 2019 20.282 2020 20.273 2021 20.291 2022 20.325 2023 20.356 2024 20.383