Year Number 2008-01-01 704170.000 2009-01-01 664162.189 2010-01-01 627865.000 2011-01-01 566332.000 2012-01-01 522621.000 2013-01-01 461515.000 2014-01-01 348566.000 2015-01-01 238999.000 2016-01-01 213680.000