Year Number of Firms 1992-01-01 200 1997-01-01 361 2002-01-01 208 2003-01-01 242 2004-01-01 316 2005-01-01 331 2006-01-01 349 2007-01-01 399 2008-01-01 425 2009-01-01 381 2010-01-01 423 2011-01-01 426 2012-01-01 403 2013-01-01 393 2014-01-01 386 2015-01-01 422 2016-01-01 405