Year National currency per current international dollar (Units) 1980 0.013 1981 0.015 1982 0.022 1983 0.040 1984 0.062 1985 0.096 1986 0.161 1987 0.379 1988 0.735 1989 0.901 1990 1.112 1991 1.331 1992 1.494 1993 1.771 1994 1.878 1995 2.554 1996 3.178 1997 3.678 1998 4.208 1999 4.785 2000 5.180 2001 5.394 2002 5.603 2003 5.730 2004 6.033 2005 6.194 2006 6.375 2007 6.588 2008 6.871 2009 7.187 2010 7.411 2011 7.673 2012 7.859 2013 7.884 2014 8.045 2015 8.326 2016 8.446 2017 8.871 2018 9.124 2019 9.355 2020 9.678 2021 9.674 2022 9.620 2023 9.698 2024 9.998 2025 10.359 2026 10.554 2027 10.701 2028 10.852 2029 10.979