Year National currency per current international dollar 1987 29.056 1988 49.201 1989 56.34 1990 133.488 1991 267.667 1992 459.026 1993 929.987 1994 897.169 1995 984.229 1996 995.841 1997 1037.75 1998 1132.49 1999 1130.45 2000 1062.41 2001 1063.07 2002 1053.97 2003 1053.36 2004 1075.22 2005 1106.11 2006 1123.34 2007 1165.25 2008 1283.09 2009 1305.27 2010 1330.50 2011 1347.12 2012 1340.80 2013 1327.98 2014 1337.63 2015 1346.23 2016 1378.85 2017 1399.43 2018 1407.96 2019 1422.88 2020 1434.20 2021 1445.83 2022 1457.73 2023 1469.69 2024 1482.76