Year National Currency 2004-01-01 1918579000 2005-01-01 2688727000 2006-01-01 4060028000 2007-01-01 6039549000 2008-01-01 8823339000 2009-01-01 10633439000 2010-01-01 14351502000 2011-01-01 18555000000 2012-01-01 23074000000 2013-01-01 33107000000