Year National currency per current international dollar 1990 1.318 1991 1.299 1992 1.267 1993 1.383 1994 1.607 1995 1.664 1996 1.87 1997 1.969 1998 2.001 1999 2.22 2000 2.751 2001 2.96 2002 3.169 2003 3.166 2004 3.307 2005 3.315 2006 3.622 2007 3.879 2008 4.22 2009 4.48 2010 4.586 2011 4.663 2012 5.165 2013 5.522 2014 5.759 2015 5.809 2016 6.313 2017 6.651 2018 6.783 2019 7.011 2020 7.246 2021 7.488 2022 7.74 2023 8 2024 8.267