Year	National Currency
1988-01-01	26554133378.5
1989-01-01	28636572244.6
1990-01-01	31162507947.9
1991-01-01	33754974400.0
1992-01-01	36284537076.2
1993-01-01	37942021822.6
1994-01-01	39558323829.7
1995-01-01	40523105917.3
1996-01-01	41856966628.0
1997-01-01	42964559048.0
1998-01-01	45058686224.0
1999-01-01	47236964083.0
2000-01-01	49464776028.0
2001-01-01	50881944369.0
2002-01-01	52723642029.0
2003-01-01	54330385012.0
2004-01-01	55871916599.0
2005-01-01	58575667556.0
2006-01-01	61883362326.0
2007-01-01	64951254207.0
2008-01-01	67969332662.0
2009-01-01	68548700032.0
2010-01-01	70543140903.0
