Year Number of Firms 1992-01-01 1 1997-01-01 8 2002-01-01 11 2003-01-01 16 2004-01-01 19 2005-01-01 22 2006-01-01 24 2007-01-01 27 2008-01-01 37 2009-01-01 29 2010-01-01 33 2011-01-01 38 2012-01-01 39 2013-01-01 47 2014-01-01 46 2015-01-01 38 2016-01-01 43