Year National Currency 2006-01-01 37000000 2007-01-01 34000000 2008-01-01 34000000 2009-01-01 31000000 2010-01-01 31000000 2011-01-01 30000000 2012-01-01 27000000 2013-01-01 30000000 2014-01-01 33000000 2015-01-01 29000000 2016-01-01 6000000