Year Number of Firms 1992-01-01 71 1997-01-01 95 2002-01-01 83 2003-01-01 82 2004-01-01 106 2005-01-01 113 2006-01-01 102 2007-01-01 134 2008-01-01 157 2009-01-01 176 2010-01-01 192 2011-01-01 165 2012-01-01 159 2013-01-01 184 2014-01-01 181 2015-01-01 177 2016-01-01 154