Year National Currency 1987-01-01 24997331184.4 1988-01-01 25269173213.5 1989-01-01 25749832301.5 1990-01-01 27338493604.6 1991-01-01 28945196234.5 1992-01-01 30306399364.8 1993-01-01 30328740530.8 1994-01-01 30523077752.6 1995-01-01 31298118250.9 1996-01-01 31668227900.1 1997-01-01 32827649060.7 1998-01-01 34376487729.6 1999-01-01 35412822910.1 2000-01-01 36938368449.3 2001-01-01 38291132620.6 2002-01-01 39232545238.0 2003-01-01 39490335807.8 2004-01-01 39883901640.3 2005-01-01 39530171142.7 2006-01-01 40503765154.4 2007-01-01 41954330462.7 2008-01-01 43717247035.3 2009-01-01 43238304602.5 2010-01-01 42724251797.5