Year Number 2009-01-01 280453.00 2010-01-01 384559.00 2011-01-01 591334.32 2012-01-01 789079.64 2013-01-01 1000367.44 2014-01-01 1317452.28 2015-01-01 1938102.00 2016-01-01 2126775.00 2017-01-01 2215130.00