Year National Currency 1990-01-01 18421242121.9 1991-01-01 18629714450.3 1992-01-01 19792878456.0 1993-01-01 21349947966.3 1994-01-01 20916169886.2 1995-01-01 19939610077.7 1996-01-01 21105800354.9 1997-01-01 22164437143.0 1998-01-01 22330265934.4 1999-01-01 21627966898.5 2000-01-01 22682064492.2 2001-01-01 18728921278.0 2002-01-01 21333701975.8 2003-01-01 22992541886.8 2004-01-01 26242469656.8 2005-01-01 28694133990.1 2006-01-01 33999096575.5 2007-01-01 35926648617.0 2008-01-01 33014562831.0 2009-01-01 27693510146.0 2010-01-01 32437044039.3