Year Number of Firms 1992-01-01 193 1997-01-01 298 2002-01-01 260 2003-01-01 283 2004-01-01 288 2005-01-01 328 2006-01-01 344 2007-01-01 352 2008-01-01 387 2009-01-01 382 2010-01-01 395 2011-01-01 433 2012-01-01 425 2013-01-01 415 2014-01-01 403 2015-01-01 410 2016-01-01 374