Year Number of Firms 1992-01-01 8 1997-01-01 17 2002-01-01 21 2003-01-01 16 2004-01-01 25 2005-01-01 24 2006-01-01 35 2007-01-01 33 2008-01-01 27 2009-01-01 24 2010-01-01 38 2011-01-01 43 2012-01-01 44 2013-01-01 40 2014-01-01 37 2015-01-01 38 2016-01-01 35