Year	National Currency
1998-01-01	45777000000
1999-01-01	45101000000
2000-01-01	50367000000
2001-01-01	52437000000
2002-01-01	53039000000
2003-01-01	50090000000
2004-01-01	45801000000
2005-01-01	55908000000
2006-01-01	57535000000
2007-01-01	64075000000
2008-01-01	75645000000
2009-01-01	92182000000
2010-01-01	118939000000