Year National currency per current international dollar 1990 5.684 1991 6.157 1992 6.813 1993 7.745 1994 9.159 1995 13.075 1996 17.561 1997 19.558 1998 17.727 1999 23.321 2000 28.137 2001 28.29 2002 30.275 2003 32.961 2004 36.627 2005 42.104 2006 46.42 2007 50.128 2008 59.192 2009 53.63 2010 65.532 2011 75.818 2012 78.775 2013 84.546 2014 88.92 2015 111.848 2016 115.862 2017 136.312 2018 196.188 2019 232.476 2020 258.779 2021 260.785 2022 266.579 2023 272.533 2024 278.149