Year National currency per current international dollar 1980 0.008 1981 0.01 1982 0.011 1983 0.014 1984 0.022 1985 0.037 1986 0.061 1987 0.103 1988 0.161 1989 0.272 1990 0.588 1991 1.143 1992 1.784 1993 2.576 1994 3.505 1995 4.843 1996 6.013 1997 7.05 1998 7.853 1999 8.162 2000 8.253 2001 8.432 2002 9.279 2003 10.459 2004 11.253 2005 11.055 2006 11.431 2007 12.18 2008 12.906 2009 13.801 2010 14.311 2011 15.282 2012 16.277 2013 17.301 2014 18.571 2015 20.031 2016 21.27 2017 21.713 2018 22.648 2019 23.813 2020 25.017 2021 26.303 2022 27.653 2023 29.102 2024 30.568