Year Number of Firms 1992-01-01 5 1997-01-01 3 2002-01-01 3 2003-01-01 6 2004-01-01 4 2005-01-01 9 2006-01-01 10 2007-01-01 14 2008-01-01 18 2009-01-01 23 2010-01-01 19 2011-01-01 18 2012-01-01 19 2013-01-01 20 2014-01-01 24 2015-01-01 27 2016-01-01 25