Year Number of Firms 1992-01-01 6 1997-01-01 7 2002-01-01 11 2003-01-01 8 2004-01-01 10 2005-01-01 13 2006-01-01 11 2007-01-01 15 2008-01-01 17 2009-01-01 18 2010-01-01 21 2011-01-01 18 2012-01-01 27 2013-01-01 24 2014-01-01 25 2015-01-01 24 2016-01-01 26