Year Number of Firms 2003-01-01 3 2004-01-01 11 2005-01-01 16 2006-01-01 12 2007-01-01 15 2008-01-01 19 2009-01-01 26 2010-01-01 31 2011-01-01 39 2012-01-01 37 2013-01-01 50 2014-01-01 47 2015-01-01 43 2016-01-01 28