Year National Currency 1995-01-01 13872120944.6 1996-01-01 14291108137.4 1997-01-01 15204735859.0 1998-01-01 16255269937.0 1999-01-01 17368366154.4 2000-01-01 17690271789.1 2001-01-01 18529072987.1 2002-01-01 18977136416.6 2003-01-01 19383170214.7 2004-01-01 19711621447.8 2005-01-01 20181182000.0 2006-01-01 20949084033.0 2007-01-01 22002580855.6 2008-01-01 22626479725.7 2009-01-01 22772825523.7 2010-01-01 23128630467.7