Year National currency (Units) 1980 25466.588 1981 23705.372 1982 23094.409 1983 23450.438 1984 24217.221 1985 22243.241 1986 22252.509 1987 22583.880 1988 23335.953 1989 22722.475 1990 21368.126 1991 23166.639 1992 24983.251 1993 26860.924 1994 28749.787 1995 30702.483 1996 33025.226 1997 34265.494 1998 34715.718 1999 34346.785 2000 34266.089 2001 34553.316 2002 37986.985 2003 37809.869 2004 40505.722 2005 44964.800 2006 48387.514 2007 53194.925 2008 57003.260 2009 55407.926 2010 55970.411 2011 55777.239 2012 58308.462 2013 58953.534 2014 59561.223 2015 57987.037 2016 54500.927 2017 52520.666 2018 50064.479 2019 48053.363 2020 43885.939 2021 43028.117 2022 42838.875 2023 41786.646 2024 41607.349 2025 41659.149 2026 41818.746 2027 42020.910 2028 42251.880 2029 42510.055