Year Number of Firms 1992-01-01 102 1997-01-01 149 2002-01-01 150 2003-01-01 174 2004-01-01 198 2005-01-01 223 2006-01-01 217 2007-01-01 265 2008-01-01 293 2009-01-01 284 2010-01-01 303 2011-01-01 365 2012-01-01 376 2013-01-01 410 2014-01-01 390 2015-01-01 390 2016-01-01 407