Year Number of Firms 1992-01-01 75 1997-01-01 168 2002-01-01 81 2003-01-01 113 2004-01-01 114 2005-01-01 113 2006-01-01 103 2007-01-01 146 2008-01-01 205 2009-01-01 185 2010-01-01 260 2011-01-01 247 2012-01-01 295 2013-01-01 333 2014-01-01 360 2015-01-01 328 2016-01-01 307