Year	National currency, Sum Over Component Sub-periods
1987-01-01	1058000000
1988-01-01	826000000
1989-01-01	819000000
1990-01-01	1392000000
1991-01-01	460000000
1992-01-01	-119000000
1993-01-01	295000000
1994-01-01	1082000000
1995-01-01	2257000000
1996-01-01	1601000000
1997-01-01	1864000000
1998-01-01	3047000000
1999-01-01	3165000000
2000-01-01	3339000000
2001-01-01	3311000000
2002-01-01	4430000000
2003-01-01	4553000000
2004-01-01	4731000000
2005-01-01	4876000000
2006-01-01	5332000000
2007-01-01	6449000000
2008-01-01	5508000000
2009-01-01	4710000000
2010-01-01	5402000000
2011-01-01	5693000000
2012-01-01	6152000000
2013-01-01	6329000000