Year	National currency, Sum Over Component Sub-periods
1997-01-01	362000000
1998-01-01	2000000000
1999-01-01	1722000000
2000-01-01	2731000000
2001-01-01	2317000000
2002-01-01	1964000000
2003-01-01	2302000000
2004-01-01	2978000000
2005-01-01	3100000000
2006-01-01	2674000000
2007-01-01	2106000000
2008-01-01	2122000000
2009-01-01	2819000000
2010-01-01	2066000000
2011-01-01	2123000000
2012-01-01	2125000000
2013-01-01	2181000000