Year	National currency, Sum Over Component Sub-periods
1980-01-01	1236000000
1981-01-01	1115000000
1982-01-01	1310000000
1983-01-01	2074000000
1984-01-01	2511000000
1985-01-01	3681000000
1986-01-01	1640000000
1987-01-01	1012000000
1988-01-01	941000000
1989-01-01	1791000000
1990-01-01	2201000000
1991-01-01	1766000000
1992-01-01	1297000000
1993-01-01	2955000000
1994-01-01	4856000000
1995-01-01	1616000000
1996-01-01	5966000000
1997-01-01	-2815000000
1998-01-01	-3085000000
1999-01-01	-636000000
2000-01-01	-4855000000
2001-01-01	-9796000000
2002-01-01	1998000000
2003-01-01	-7624000000
2004-01-01	-9102000000
2005-01-01	5915000000
2006-01-01	11519000000
2007-01-01	12742000000
2008-01-01	12094000000
2009-01-01	-3636000000
2010-01-01	42539000000
2011-01-01	35167000000