Year Number of Firms 1992-01-01 89 1997-01-01 145 2002-01-01 123 2003-01-01 150 2004-01-01 169 2005-01-01 173 2006-01-01 191 2007-01-01 216 2008-01-01 234 2009-01-01 253 2010-01-01 294 2011-01-01 322 2012-01-01 331 2013-01-01 373 2014-01-01 378 2015-01-01 332 2016-01-01 362