Year	National currency, Sum Over Component Sub-periods
1997-01-01	-93200000000
1998-01-01	-172600000000
1999-01-01	-331461000000
2000-01-01	-454310000000
2001-01-01	-333022000000
2002-01-01	-172862000000
2003-01-01	-146186000000
2004-01-01	-169127000000
2005-01-01	-358402000000
2006-01-01	-418064000000
2007-01-01	-512903000000
2008-01-01	-338343000000
2009-01-01	-352907000000
2010-01-01	-356732000000
2011-01-01	-407975000000
2012-01-01	-212064000000