Year Number of Firms 1992-01-01 40 1997-01-01 57 2002-01-01 102 2003-01-01 109 2004-01-01 99 2005-01-01 111 2006-01-01 126 2007-01-01 122 2008-01-01 137 2009-01-01 121 2010-01-01 126 2011-01-01 128 2012-01-01 133 2013-01-01 134 2014-01-01 136 2015-01-01 134 2016-01-01 133