Year Number of Firms 1992-01-01 75 1997-01-01 115 2002-01-01 123 2003-01-01 126 2004-01-01 131 2005-01-01 123 2006-01-01 131 2007-01-01 151 2008-01-01 152 2009-01-01 121 2010-01-01 134 2011-01-01 112 2012-01-01 124 2013-01-01 128 2014-01-01 136 2015-01-01 128 2016-01-01 118