Year Number 2004-01-01 1707503.0 2005-01-01 1718894.0 2006-01-01 1643270.5 2007-01-01 1827574.0 2008-01-01 1973763.0 2009-01-01 2034761.0 2010-01-01 1934665.0 2011-01-01 2050606.0 2012-01-01 1860489.0 2013-01-01 2109236.0 2014-01-01 2261562.0 2015-01-01 2819186.0 2016-01-01 3063427.0 2017-01-01 3560592.0