Year National currency per current international dollar 1988 0.001 1989 0.015 1990 0.315 1991 0.724 1992 0.804 1993 0.772 1994 0.778 1995 0.786 1996 0.771 1997 0.755 1998 0.734 1999 0.71 2000 0.702 2001 0.68 2002 0.87 2003 0.945 2004 1.006 2005 1.076 2006 1.188 2007 1.33 2008 1.607 2009 1.84 2010 2.199 2011 2.665 2012 3.198 2013 3.896 2014 5.364 2015 6.717 2016 9.377 2017 11.595 2018 15.918 2019 21.924 2020 26.526 2021 30.762 2022 33.984 2023 36.048 2024 37.126