Year	National currency, Sum Over Component Sub-periods
1999-01-01	3832000000
2000-01-01	3692000000
2001-01-01	7964000000
2002-01-01	7242000000
2003-01-01	5745000000
2004-01-01	4921000000
2005-01-01	5383000000
2006-01-01	5764000000
2007-01-01	5823000000
2008-01-01	6737000000
2009-01-01	6784000000
2010-01-01	6361000000
2011-01-01	6588000000
2012-01-01	6767000000