Year Number of Firms 1992-01-01 89 1997-01-01 109 2002-01-01 163 2003-01-01 196 2004-01-01 197 2005-01-01 226 2006-01-01 211 2007-01-01 240 2008-01-01 249 2009-01-01 282 2010-01-01 284 2011-01-01 298 2012-01-01 275 2013-01-01 296 2014-01-01 295 2015-01-01 319 2016-01-01 344