Year Number of Firms 1992-01-01 198 1997-01-01 247 2002-01-01 266 2003-01-01 276 2004-01-01 289 2005-01-01 293 2006-01-01 303 2007-01-01 355 2008-01-01 400 2009-01-01 342 2010-01-01 380 2011-01-01 364 2012-01-01 330 2013-01-01 328 2014-01-01 394 2015-01-01 358 2016-01-01 349