Year Number of Firms 1992-01-01 39 1997-01-01 70 2002-01-01 102 2003-01-01 124 2004-01-01 154 2005-01-01 165 2006-01-01 174 2007-01-01 226 2008-01-01 283 2009-01-01 266 2010-01-01 304 2011-01-01 320 2012-01-01 340 2013-01-01 352 2014-01-01 397 2015-01-01 419 2016-01-01 443