Year	National Currency
1988-01-01	19975412419.9
1989-01-01	21375720219.8
1990-01-01	21988097437.0
1991-01-01	22497463606.1
1992-01-01	23186373137.8
1993-01-01	23443790247.3
1994-01-01	23356027808.1
1995-01-01	23987144467.9
1996-01-01	24628137315.9
1997-01-01	25562800241.0
1998-01-01	27308635816.6
1999-01-01	28991431345.2
2000-01-01	31151950024.2
2001-01-01	31495947834.1
2002-01-01	33148667374.9
2003-01-01	33497675669.6
2004-01-01	35186374439.2
2005-01-01	36820536857.0
2006-01-01	38739166828.1
2007-01-01	40294361521.0
2008-01-01	41469533960.4
2009-01-01	41180901717.5
2010-01-01	42610535112.0