Year National Currency 2004-01-01 21616891400 2005-01-01 21000309100 2006-01-01 20484402000 2007-01-01 23250690000 2008-01-01 13974261000 2009-01-01 13736935600 2010-01-01 14292589000 2011-01-01 13216128100 2012-01-01 14631667100 2013-01-01 17761362100 2014-01-01 18847629100 2015-01-01 19172865900 2016-01-01 17774964000 2017-01-01 19115790200