Year National currency per current international dollar (Units) 1980 0.065 1981 0.044 1982 0.049 1983 0.053 1984 0.060 1985 0.078 1986 0.086 1987 0.236 1988 0.338 1989 0.479 1990 0.862 1991 1.315 1992 1.772 1993 2.474 1994 3.640 1995 5.400 1996 7.891 1997 8.575 1998 9.002 1999 9.670 2000 10.554 2001 11.848 2002 12.813 2003 13.023 2004 13.416 2005 13.962 2006 14.555 2007 15.225 2008 15.707 2009 15.840 2010 16.847 2011 16.894 2012 18.019 2013 18.426 2014 18.551 2015 18.264 2016 19.834 2017 22.856 2018 23.192 2019 23.876 2020 24.312 2021 24.304 2022 24.159 2023 25.524 2024 25.481 2025 26.637 2026 27.660 2027 28.871 2028 30.054 2029 31.225