Year	National currency, Sum Over Component Sub-periods
1997-01-01	1186000000
1998-01-01	2332000000
1999-01-01	8952000000
2000-01-01	2608000000
2001-01-01	2096000000
2002-01-01	2709000000
2003-01-01	2253000000
2004-01-01	3164000000
2005-01-01	5986000000
2006-01-01	2721000000
2007-01-01	2363000000
2008-01-01	2506000000
2009-01-01	2539000000
2010-01-01	2533000000
2011-01-01	6820000000
2012-01-01	3166000000
2013-01-01	2791000000