Year Number of Firms 2003-01-01 2 2004-01-01 3 2005-01-01 2 2006-01-01 8 2007-01-01 13 2008-01-01 13 2009-01-01 27 2010-01-01 21 2011-01-01 26 2012-01-01 37 2013-01-01 29 2014-01-01 26 2015-01-01 13 2016-01-01 12