Year Number of Firms 1992-01-01 17 1997-01-01 37 2002-01-01 35 2003-01-01 43 2004-01-01 47 2005-01-01 50 2006-01-01 62 2007-01-01 64 2008-01-01 74 2009-01-01 77 2010-01-01 92 2011-01-01 104 2012-01-01 111 2013-01-01 105 2014-01-01 97 2015-01-01 81 2016-01-01 96