Year	National Currency
1996-01-01	16968841000
1997-01-01	18593051000
1998-01-01	18515688000
1999-01-01	14023000000
2000-01-01	15290000000
2001-01-01	17088000000
2002-01-01	16879000000
2003-01-01	10146000000
2004-01-01	8578000000
2005-01-01	8785000000
2006-01-01	7504000000
2007-01-01	7843000000
2008-01-01	8585000000
2009-01-01	11096000000
2010-01-01	15717000000