Year Number of Firms 1992-01-01 52 1997-01-01 76 2002-01-01 87 2003-01-01 89 2004-01-01 83 2005-01-01 92 2006-01-01 102 2007-01-01 128 2008-01-01 143 2009-01-01 137 2010-01-01 133 2011-01-01 141 2012-01-01 158 2013-01-01 146 2014-01-01 144 2015-01-01 126 2016-01-01 123