Year National currency (Units) 1980 13053.121 1981 12877.603 1982 12967.692 1983 13120.424 1984 13290.230 1985 13556.311 1986 13981.128 1987 14744.866 1988 15491.160 1989 16234.017 1990 16828.967 1991 17208.315 1992 17297.522 1993 17017.303 1994 17367.803 1995 18041.463 1996 18435.633 1997 19097.820 1998 19881.592 1999 20718.024 2000 21582.745 2001 22314.991 2002 22560.058 2003 22807.392 2004 23156.420 2005 23560.546 2006 24140.113 2007 24526.746 2008 24342.733 2009 23231.829 2010 23172.755 2011 22898.625 2012 22206.091 2013 21976.259 2014 22349.656 2015 23229.660 2016 23914.812 2017 24582.838 2018 25038.662 2019 25331.131 2020 22383.944 2021 23828.755 2022 25053.768 2023 25575.501 2024 25753.655 2025 26002.174 2026 26201.323 2027 26367.095 2028 26559.850 2029 26778.935