Year	National currency, Sum Over Component Sub-periods
1997-01-01	2285000000
1998-01-01	2279000000
1999-01-01	2460000000
2000-01-01	2246000000
2001-01-01	2416000000
2002-01-01	1633000000
2003-01-01	1240000000
2004-01-01	2386000000
2005-01-01	2049000000
2006-01-01	3041000000
2007-01-01	4332000000
2008-01-01	4091000000
2009-01-01	2018000000
2010-01-01	2072000000
2011-01-01	2672000000
2012-01-01	2328000000
2013-01-01	3041000000