Year	National currency, Sum Over Component Sub-periods
1996-01-01	6078000000
1997-01-01	6698000000
1998-01-01	7876000000
1999-01-01	8652000000
2000-01-01	9830000000
2001-01-01	10503000000
2002-01-01	10918000000
2003-01-01	10938000000
2004-01-01	11816000000
2005-01-01	12227000000
2006-01-01	14658000000
2007-01-01	16961000000
2008-01-01	17865000000
2009-01-01	16318000000
2010-01-01	17587000000
2011-01-01	19160000000
2012-01-01	19098000000
2013-01-01	20565000000