Year Number of Firms 1992-01-01 8 1997-01-01 32 2002-01-01 31 2003-01-01 50 2004-01-01 42 2005-01-01 67 2006-01-01 71 2007-01-01 74 2008-01-01 81 2009-01-01 65 2010-01-01 74 2011-01-01 96 2012-01-01 95 2013-01-01 112 2014-01-01 129 2015-01-01 85 2016-01-01 92