Year Number of Firms 1992-01-01 10 1997-01-01 12 2002-01-01 7 2003-01-01 11 2004-01-01 9 2005-01-01 13 2006-01-01 16 2007-01-01 13 2008-01-01 18 2009-01-01 11 2010-01-01 20 2011-01-01 14 2012-01-01 18 2013-01-01 24 2014-01-01 19 2015-01-01 25 2016-01-01 19