Year Number 2007-01-01 95000 2008-01-01 308000 2009-01-01 493504 2010-01-01 651987 2011-01-01 861176 2012-01-01 994551 2013-01-01 1135888 2014-01-01 1377357 2015-01-01 1845886 2016-01-01 2439000