Year	National currency, Sum Over Component Sub-periods
1997-01-01	213000000000
1998-01-01	235000000000
1999-01-01	257352000000
2000-01-01	299977000000
2001-01-01	318807000000
2002-01-01	312515000000
2003-01-01	307316000000
2004-01-01	332357000000
2005-01-01	366550000000
2006-01-01	399540000000
2007-01-01	447215000000
2008-01-01	471319000000
2009-01-01	454982000000
2010-01-01	487402000000
2011-01-01	509421000000
2012-01-01	525359000000