Year National Currency 1993-01-01 18677048821.6 1994-01-01 19805115055.3 1995-01-01 20719384699.6 1996-01-01 22305770482.9 1997-01-01 23191696102.3 1998-01-01 24416696361.6 1999-01-01 24134253786.9 2000-01-01 23987082393.9 2001-01-01 25067503544.2 2002-01-01 26143468191.0 2003-01-01 27605725643.5 2004-01-01 29902654973.4 2005-01-01 31800539999.4 2006-01-01 35489063976.5 2007-01-01 39223681760.9 2008-01-01 42487407087.0 2009-01-01 38709752847.9 2010-01-01 40273063394.6