Year	National currency, Sum Over Component Sub-periods
1996-01-01	1767000000
1997-01-01	1723000000
1998-01-01	1958000000
1999-01-01	2173000000
2000-01-01	2332000000
2001-01-01	2588000000
2002-01-01	2884000000
2003-01-01	2903000000
2004-01-01	3030000000
2005-01-01	3532000000
2006-01-01	3908000000
2007-01-01	3744000000
2008-01-01	3939000000
2009-01-01	4271000000
2010-01-01	4474000000
2011-01-01	4537000000
2012-01-01	4393000000
2013-01-01	4540000000