Year National Currency 2004-01-01 2670000000 2005-01-01 2595000000 2006-01-01 2853000000 2007-01-01 2824000000 2008-01-01 3791000000 2009-01-01 4019000000 2010-01-01 4424000000 2011-01-01 4542000000 2012-01-01 4985000000 2013-01-01 5365000000 2014-01-01 5532000000 2015-01-01 5576000000 2016-01-01 5628000000