Year	National currency, Sum Over Component Sub-periods
1997-01-01	-3365000000
1998-01-01	-2435000000
1999-01-01	-2389000000
2000-01-01	-528000000
2001-01-01	1231000000
2002-01-01	-1735000000
2003-01-01	141000000
2004-01-01	233000000
2005-01-01	89000000
2006-01-01	263000000
2007-01-01	700000000
2008-01-01	793000000
2009-01-01	-594000000
2010-01-01	-420000000
2011-01-01	124000000
2012-01-01	-371000000
2013-01-01	-830000000