Year Number of Firms 1992-01-01 10 1997-01-01 16 2002-01-01 14 2003-01-01 18 2004-01-01 21 2005-01-01 23 2006-01-01 29 2007-01-01 22 2008-01-01 34 2009-01-01 22 2010-01-01 25 2011-01-01 24 2012-01-01 23 2013-01-01 31 2014-01-01 33 2015-01-01 31 2016-01-01 38