Year	National currency, Sum Over Component Sub-periods
1987-01-01	-3418000000
1988-01-01	-3269000000
1989-01-01	-3249000000
1990-01-01	-3061000000
1991-01-01	-4725000000
1992-01-01	-4959000000
1993-01-01	-5723000000
1994-01-01	-5929000000
1995-01-01	-6065000000
1996-01-01	-7006000000
1997-01-01	-7217000000
1998-01-01	-4735000000
1999-01-01	-5935000000
2000-01-01	-7037000000
2001-01-01	-6700000000
2002-01-01	-6742000000
2003-01-01	-6777000000
2004-01-01	-8163000000
2005-01-01	-9901000000
2006-01-01	-11580000000
2007-01-01	-12850000000
2008-01-01	-14102000000
2009-01-01	-8977000000
2010-01-01	-9309000000
2011-01-01	-10097000000
2012-01-01	-9454000000
2013-01-01	-9522000000