Year	National currency, Sum Over Component Sub-periods
1988-01-01	-7026000000
1989-01-01	-8962000000
1990-01-01	-7208000000
1991-01-01	-10054000000
1992-01-01	-10398000000
1993-01-01	-11007000000
1994-01-01	-12614000000
1995-01-01	-13204000000
1996-01-01	-15347000000
1997-01-01	-12299000000
1998-01-01	-15152000000
1999-01-01	-20527000000
2000-01-01	-24575000000
2001-01-01	-22037000000
2002-01-01	-20152000000
2003-01-01	-24016000000
2004-01-01	-27731000000
2005-01-01	-25024000000
2006-01-01	-28369000000
2007-01-01	-29181000000
2008-01-01	-27831000000
2009-01-01	-28858000000
2010-01-01	-31668000000
2011-01-01	-31580000000
2012-01-01	-35396000000
2013-01-01	-38101000000
