Year	National Currency
1988-01-01	308822815720
1989-01-01	307477797238
1990-01-01	323545018311
1991-01-01	334889508717
1992-01-01	342959472964
1993-01-01	343623939557
1994-01-01	360928979301
1995-01-01	372569497018
1996-01-01	391560660141
1997-01-01	400875158518
1998-01-01	406747145797
1999-01-01	426997046483
2000-01-01	456299958070
2001-01-01	464470209850
2002-01-01	469110132078
2003-01-01	476919784417
2004-01-01	487627513409
2005-01-01	502349621508
2006-01-01	528561929547
2007-01-01	550136340249
2008-01-01	535089995274
2009-01-01	501762952165
2010-01-01	516459479645