Year	National currency, Sum Over Component Sub-periods
1988-01-01	1010000000
1989-01-01	1143000000
1990-01-01	1125000000
1991-01-01	1100000000
1992-01-01	1454000000
1993-01-01	2290000000
1994-01-01	1653000000
1995-01-01	1831000000
1996-01-01	874000000
1997-01-01	3347000000
1998-01-01	2791000000
1999-01-01	4291000000
2000-01-01	4607000000
2001-01-01	2328000000
2002-01-01	2211000000
2003-01-01	4283000000
2004-01-01	3255000000
2005-01-01	4163000000
2006-01-01	4336000000
2007-01-01	3731000000
2008-01-01	2571000000
2009-01-01	2086000000
2010-01-01	1811000000