Year National currency per current international dollar (Units) 1980 328.162 1981 313.389 1982 310.264 1983 357.069 1984 375.735 1985 378.893 1986 378.327 1987 417.651 1988 435.707 1989 461.162 1990 478.858 1991 503.090 1992 523.276 1993 552.311 1994 582.816 1995 627.259 1996 669.428 1997 740.809 1998 1283.994 1999 1445.371 2000 1531.539 2001 1711.937 2002 1785.132 2003 1846.633 2004 1952.046 2005 2163.951 2006 2394.939 2007 2594.289 2008 2985.158 2009 3145.800 2010 3336.155 2011 3512.754 2012 3569.893 2013 3765.672 2014 4030.775 2015 4353.327 2016 4518.104 2017 4695.659 2018 4765.780 2019 4762.027 2020 4681.085 2021 4744.594 2022 4856.556 2023 4757.590 2024 4764.324 2025 4802.854 2026 4833.413 2027 4863.259 2028 4892.982 2029 4921.842