Year Number of Firms 1992-01-01 75 1997-01-01 74 2002-01-01 79 2003-01-01 71 2004-01-01 64 2005-01-01 75 2006-01-01 76 2007-01-01 80 2008-01-01 96 2009-01-01 95 2010-01-01 105 2011-01-01 112 2012-01-01 101 2013-01-01 108 2014-01-01 102 2015-01-01 86 2016-01-01 88