Year	National currency, Sum Over Component Sub-periods
1975-01-01	1466000000
1976-01-01	544000000
1977-01-01	307000000
1978-01-01	-525000000
1979-01-01	159000000
1980-01-01	769000000
1981-01-01	243000000
1982-01-01	772000000
1983-01-01	976000000
1984-01-01	556000000
1985-01-01	922000000
1986-01-01	186000000
1987-01-01	2322000000
1988-01-01	1298000000
1989-01-01	3266000000
1990-01-01	5508000000
1991-01-01	4164000000
1992-01-01	3755000000
1993-01-01	49000000
1994-01-01	-432000000
1995-01-01	-2885000000
1996-01-01	-3609000000
1997-01-01	-4669000000
1998-01-01	-1821000000
1999-01-01	-6140000000
2000-01-01	-9897000000
2001-01-01	-12758000000
2002-01-01	-7468000000
2003-01-01	-7625000000
2004-01-01	-8452000000
2005-01-01	-3069000000
2006-01-01	-4041000000
2007-01-01	114000000
2008-01-01	4146000000
2009-01-01	4688000000
2010-01-01	-3707000000
2011-01-01	8356000000
2012-01-01	16473000000
2013-01-01	-2120000000