Year National currency per current international dollar 1989 0.001 1990 0.071 1991 0.333 1992 0.548 1993 0.787 1994 0.967 1995 1.078 1996 1.163 1997 1.227 1998 1.285 1999 1.305 2000 1.324 2001 1.31 2002 1.294 2003 1.308 2004 1.345 2005 1.332 2006 1.4 2007 1.396 2008 1.398 2009 1.409 2010 1.477 2011 1.521 2012 1.524 2013 1.519 2014 1.53 2015 1.557 2016 1.593 2017 1.623 2018 1.618 2019 1.627 2020 1.628 2021 1.629 2022 1.629 2023 1.629 2024 1.629