Year Number of Firms 1992-01-01 61 1997-01-01 71 2002-01-01 75 2003-01-01 102 2004-01-01 121 2005-01-01 100 2006-01-01 117 2007-01-01 134 2008-01-01 133 2009-01-01 138 2010-01-01 114 2011-01-01 126 2012-01-01 127 2013-01-01 117 2014-01-01 136 2015-01-01 126 2016-01-01 115