Year National Currency 2004-01-01 1913000 2005-01-01 2174347 2006-01-01 2551000 2007-01-01 2906000 2008-01-01 3219000 2009-01-01 3516000 2010-01-01 3728000 2011-01-01 3952000 2012-01-01 4123000 2013-01-01 4289000 2014-01-01 4594000 2015-01-01 4860000