Year National Currency 2004-01-01 8789540000 2005-01-01 10652520000 2006-01-01 13506780000 2007-01-01 17728350000 2008-01-01 20903730000 2009-01-01 22203190000 2010-01-01 22363640000 2011-01-01 23231710000 2012-01-01 24940000000 2013-01-01 27349000000 2014-01-01 29338000000 2015-01-01 32015000000 2016-01-01 32824000000 2017-01-01 34080000000