Year Number of Firms 1992-01-01 8 1997-01-01 5 2002-01-01 17 2003-01-01 14 2004-01-01 25 2005-01-01 21 2006-01-01 18 2007-01-01 14 2008-01-01 24 2009-01-01 17 2010-01-01 28 2011-01-01 26 2012-01-01 36 2013-01-01 24 2014-01-01 29 2015-01-01 29 2016-01-01 25