Year National currency (Units) 1985 58753.652 1986 56046.874 1987 55338.896 1988 54184.812 1989 52536.374 1990 51620.666 1991 51797.004 1992 52897.544 1993 51836.464 1994 52021.360 1995 53178.332 1996 53371.437 1997 51331.293 1998 49758.180 1999 50079.501 2000 50253.702 2001 50384.852 2002 51219.224 2003 51748.028 2004 51138.004 2005 50448.345 2006 51800.192 2007 51108.649 2008 49449.467 2009 47925.125 2010 48319.028 2011 49290.748 2012 49076.248 2013 47485.516 2014 45806.245 2015 45089.647 2016 43466.211 2017 43099.255 2018 42114.400 2019 42347.045 2020 43718.906 2021 43129.362 2022 42329.827 2023 42925.288 2024 43949.194 2025 45056.261 2026 46370.856 2027 47787.313 2028 49136.766 2029 50534.560