Year Number of Firms 1992-01-01 8 1997-01-01 15 2002-01-01 24 2003-01-01 22 2004-01-01 26 2005-01-01 16 2006-01-01 22 2007-01-01 24 2008-01-01 19 2009-01-01 22 2010-01-01 21 2011-01-01 23 2012-01-01 25 2013-01-01 27 2014-01-01 39 2015-01-01 33 2016-01-01 41