Year National Currency 2004-01-01 15757000 2005-01-01 18000000 2006-01-01 18385000 2007-01-01 20000000 2008-01-01 19863000 2009-01-01 20667000 2010-01-01 22000000 2011-01-01 23549000 2012-01-01 23000000 2013-01-01 24755000 2014-01-01 24633000