Year National currency per current international dollar 1992 0.091 1993 0.739 1994 2.033 1995 2.828 1996 3.758 1997 4.408 1998 4.755 1999 6.448 2000 8.02 2001 8.424 2002 8.46 2003 8.636 2004 8.84 2005 9.184 2006 9.751 2007 10.909 2008 13.179 2009 13.607 2010 14.8 2011 17.757 2012 18.931 2013 19.195 2014 20.424 2015 20.9 2016 21.925 2017 22.878 2018 22.711 2019 22.807 2020 23.43 2021 24.093 2022 24.773 2023 25.472 2024 26.186