Year	National currency, Sum Over Component Sub-periods
1988-01-01	629000000
1989-01-01	492000000
1990-01-01	657000000
1991-01-01	722000000
1992-01-01	959000000
1993-01-01	948000000
1994-01-01	531000000
1995-01-01	524000000
1996-01-01	496000000
1997-01-01	593000000
1998-01-01	496000000
1999-01-01	1506000000
2000-01-01	1411000000
2001-01-01	1397000000
2002-01-01	2279000000
2003-01-01	2032000000
2004-01-01	1550000000
2005-01-01	2821000000
2006-01-01	2511000000
2007-01-01	1473000000
2008-01-01	2754000000
2009-01-01	2177000000
2010-01-01	2364000000