Year Number of Firms 1992-01-01 213 1997-01-01 265 2002-01-01 228 2003-01-01 262 2004-01-01 294 2005-01-01 316 2006-01-01 321 2007-01-01 380 2008-01-01 383 2009-01-01 362 2010-01-01 393 2011-01-01 417 2012-01-01 423 2013-01-01 379 2014-01-01 409 2015-01-01 390 2016-01-01 371