Year National currency per current international dollar 1980 0.279 1981 0.284 1982 0.311 1983 0.339 1984 0.349 1985 0.351 1986 0.356 1987 0.366 1988 0.379 1989 0.394 1990 0.399 1991 0.411 1992 0.426 1993 0.433 1994 0.441 1995 0.453 1996 0.464 1997 0.478 1998 0.487 1999 0.496 2000 0.504 2001 0.512 2002 0.516 2003 0.52 2004 0.523 2005 0.528 2006 0.533 2007 0.53 2008 0.552 2009 0.565 2010 0.58 2011 0.592 2012 0.609 2013 0.622 2014 0.638 2015 0.653 2016 0.678 2017 0.702 2018 0.732 2019 0.767 2020 0.79 2021 0.81 2022 0.827 2023 0.844 2024 0.86