Year National currency per current international dollar (Units) 1980 1.440 1981 1.593 1982 1.362 1983 1.340 1984 1.428 1985 1.690 1986 2.246 1987 2.919 1988 3.051 1989 3.342 1990 3.714 1991 4.113 1992 4.341 1993 4.482 1994 4.729 1995 4.667 1996 4.772 1997 4.989 1998 4.964 1999 5.055 2000 5.123 2001 5.770 2002 6.597 2003 8.240 2004 9.004 2005 9.090 2006 8.933 2007 9.081 2008 9.130 2009 9.484 2010 9.899 2011 10.142 2012 10.831 2013 11.873 2014 12.506 2015 13.588 2016 14.483 2017 15.286 2018 15.983 2019 16.702 2020 16.845 2021 17.295 2022 17.895 2023 19.719 2024 21.358 2025 22.516 2026 23.230 2027 23.682 2028 24.200 2029 24.877