Year Number of Firms 1992-01-01 27 1997-01-01 42 2002-01-01 46 2003-01-01 45 2004-01-01 49 2005-01-01 60 2006-01-01 71 2007-01-01 76 2008-01-01 91 2009-01-01 83 2010-01-01 62 2011-01-01 71 2012-01-01 56 2013-01-01 62 2014-01-01 64 2015-01-01 69 2016-01-01 60