Year Number of Firms 2003-01-01 1 2004-01-01 1 2005-01-01 6 2006-01-01 15 2007-01-01 25 2008-01-01 33 2009-01-01 29 2010-01-01 34 2011-01-01 11 2012-01-01 21 2013-01-01 24 2014-01-01 21 2015-01-01 13 2016-01-01 5