Year Number of Firms 1992-01-01 9 1997-01-01 14 2002-01-01 12 2003-01-01 11 2004-01-01 19 2005-01-01 15 2006-01-01 11 2007-01-01 14 2008-01-01 16 2009-01-01 13 2010-01-01 26 2011-01-01 27 2012-01-01 25 2013-01-01 23 2014-01-01 23 2015-01-01 30 2016-01-01 26