Year National currency per current international dollar (Units) 1980 8.534 1981 9.275 1982 10.503 1983 11.413 1984 12.555 1985 14.841 1986 17.998 1987 22.419 1988 31.883 1989 36.988 1990 43.657 1991 54.100 1992 66.317 1993 80.629 1994 103.550 1995 128.668 1996 150.758 1997 178.909 1998 227.669 1999 246.111 2000 258.882 2001 266.614 2002 281.172 2003 299.027 2004 311.646 2005 321.589 2006 363.353 2007 374.766 2008 426.286 2009 462.918 2010 499.649 2011 546.073 2012 649.705 2013 706.309 2014 759.031 2015 803.812 2016 848.680 2017 885.083 2018 844.226 2019 842.611 2020 859.674 2021 842.202 2022 821.650 2023 839.648 2024 859.187 2025 880.469 2026 902.029 2027 928.275 2028 956.917 2029 985.923