Year Number of Firms 1992-01-01 32 1997-01-01 60 2002-01-01 72 2003-01-01 87 2004-01-01 99 2005-01-01 116 2006-01-01 108 2007-01-01 121 2008-01-01 121 2009-01-01 127 2010-01-01 126 2011-01-01 133 2012-01-01 142 2013-01-01 141 2014-01-01 157 2015-01-01 158 2016-01-01 146