Year National currency per current international dollar 1980 0.241 1981 0.293 1982 0.551 1983 0.793 1984 1.262 1985 2.344 1986 13.492 1987 54.857 1988 215.835 1989 485.323 1990 665.081 1991 1111.62 1992 1440.77 1993 1652.45 1994 1892.27 1995 2169.23 1996 2315.48 1997 2426.41 1998 2611.44 1999 2721.90 2000 2753.15 2001 2746.55 2002 2810.75 2003 2943.52 2004 3378.35 2005 3572.78 2006 3764.98 2007 4019.58 2008 4836.87 2009 5098.64 2010 5648.45 2011 6709.19 2012 7302.18 2013 7517.91 2014 7648.53 2015 7553.16 2016 7554.47 2017 7716.44 2018 7792.78 2019 7875.12 2020 7942.07 2021 8014.49 2022 8115.42 2023 8239.36 2024 8383.89