Year Number of Firms 1992-01-01 16 1997-01-01 20 2002-01-01 9 2003-01-01 11 2004-01-01 18 2005-01-01 20 2006-01-01 24 2007-01-01 21 2008-01-01 25 2009-01-01 23 2010-01-01 21 2011-01-01 32 2012-01-01 27 2013-01-01 37 2014-01-01 34 2015-01-01 39 2016-01-01 35