Year	National currency, Sum Over Component Sub-periods
1997-01-01	643800000000
1998-01-01	681000000000
1999-01-01	749308000000
2000-01-01	971911000000
2001-01-01	961127000000
2002-01-01	935458000000
2003-01-01	937663000000
2004-01-01	1038193000000
2005-01-01	1183483000000
2006-01-01	1388772000000
2007-01-01	1477057000000
2008-01-01	1610446000000
2009-01-01	1271954000000
2010-01-01	1548575000000
2011-01-01	1766240000000
2012-01-01	1806079000000