Year Number of Firms 1992-01-01 4 1997-01-01 12 2002-01-01 61 2003-01-01 72 2004-01-01 83 2005-01-01 81 2006-01-01 102 2007-01-01 102 2008-01-01 97 2009-01-01 104 2010-01-01 119 2011-01-01 99 2012-01-01 93 2013-01-01 123 2014-01-01 132 2015-01-01 95 2016-01-01 114