Year Number of Firms 1992-01-01 23 1997-01-01 39 2002-01-01 29 2003-01-01 27 2004-01-01 43 2005-01-01 94 2006-01-01 58 2007-01-01 51 2008-01-01 35 2009-01-01 25 2010-01-01 36 2011-01-01 32 2012-01-01 44 2013-01-01 35 2014-01-01 41 2015-01-01 37 2016-01-01 34