Year	National currency, Sum Over Component Sub-periods
1988-01-01	-3686000000
1989-01-01	-5205000000
1990-01-01	-9053000000
1991-01-01	-11301000000
1992-01-01	-13979000000
1993-01-01	-13975000000
1994-01-01	-13917000000
1995-01-01	-11865000000
1996-01-01	-11802000000
1997-01-01	-9853000000
1998-01-01	-11065000000
1999-01-01	-10377000000
2000-01-01	-13095000000
2001-01-01	-11633000000
2002-01-01	-15406000000
2003-01-01	-17811000000
2004-01-01	-14814000000
2005-01-01	-13621000000
2006-01-01	-13575000000
2007-01-01	-19589000000
2008-01-01	-19354000000
2009-01-01	-10370000000
2010-01-01	-8117000000
2011-01-01	-8499000000
2012-01-01	-6738000000
2013-01-01	-9835000000