Year National currency (Units) 1980 23609.089 1981 23293.451 1982 22870.286 1983 23185.175 1984 23816.727 1985 24349.181 1986 24979.645 1987 25292.633 1988 26272.876 1989 27282.638 1990 28255.827 1991 28721.134 1992 28948.619 1993 29102.874 1994 29778.406 1995 30440.371 1996 31362.171 1997 32565.524 1998 33896.224 1999 35362.439 2000 36606.536 2001 37170.216 2002 36977.307 2003 36835.902 2004 37415.168 2005 38069.732 2006 39318.461 2007 40742.226 2008 41506.884 2009 39789.669 2010 40106.271 2011 40530.208 2012 39933.479 2013 39765.787 2014 40212.929 2015 40827.122 2016 41529.302 2017 42482.025 2018 43232.953 2019 43820.614 2020 41814.933 2021 44231.796 2022 45843.047 2023 45317.434 2024 45322.535 2025 45636.272 2026 46238.282 2027 46866.318 2028 47438.416 2029 47959.069