Year	National Currency
1988-01-01	16695647470.5
1989-01-01	17731994580.2
1990-01-01	18963992420.7
1991-01-01	20391671544.8
1992-01-01	21148643874.5
1993-01-01	21244117934.5
1994-01-01	21591428599.4
1995-01-01	21816930501.2
1996-01-01	21836646918.6
1997-01-01	22079703030.1
1998-01-01	23004388648.1
1999-01-01	23552997932.8
2000-01-01	24352354979.7
2001-01-01	24916642961.2
2002-01-01	25122023122.6
2003-01-01	25383920575.0
2004-01-01	25674094072.8
2005-01-01	26733870163.9
2006-01-01	28051092230.9
2007-01-01	29800709172.6
2008-01-01	31215070389.5
2009-01-01	30456047168.2
2010-01-01	30702413174.3