Year	National Currency
1988-01-01	163000000
1989-01-01	3264000000
1990-01-01	3013000000
1991-01-01	2472000000
1992-01-01	3105000000
1993-01-01	-1171000000
1994-01-01	1476000000
1995-01-01	1333000000
1996-01-01	1056000000
1997-01-01	1430000000
1998-01-01	2399000000
1999-01-01	31000000
2000-01-01	758000000
2001-01-01	1642000000
2002-01-01	-1347000000
2003-01-01	-769000000
2004-01-01	898000000
2005-01-01	598000000
2006-01-01	1730000000
2007-01-01	2415000000
2008-01-01	470000000
2009-01-01	-2016000000
2010-01-01	3783000000
2011-01-01	4359000000
2012-01-01	5599000000
2013-01-01	3637000000