Year National Currency 2004-01-01 3483678000 2005-01-01 4642058000 2006-01-01 6719000000 2007-01-01 9028000000 2008-01-01 8363198217 2009-01-01 10215550985 2010-01-01 11098311202 2011-01-01 13040348783 2012-01-01 14613423283 2013-01-01 15472339721 2014-01-01 15502426204