Year National Currency 1988-01-01 18483071329.2 1989-01-01 19565281969.6 1990-01-01 20886546121.5 1991-01-01 22444140484.9 1992-01-01 23280049858.4 1993-01-01 23437530284.1 1994-01-01 23841270044.2 1995-01-01 24163437091.6 1996-01-01 24197982338.4 1997-01-01 24471495825.8 1998-01-01 25434968285.2 1999-01-01 25981696840.3 2000-01-01 26779793599.6 2001-01-01 27327170855.7 2002-01-01 27554987291.7 2003-01-01 27824692772.6 2004-01-01 28138295670.2 2005-01-01 29225572597.9 2006-01-01 30535779787.2 2007-01-01 32418279844.1 2008-01-01 33976319869.2 2009-01-01 33311680318.6 2010-01-01 33607070795.2