Year Number of Firms 1992-01-01 88 1997-01-01 165 2002-01-01 182 2003-01-01 196 2004-01-01 201 2005-01-01 222 2006-01-01 213 2007-01-01 213 2008-01-01 222 2009-01-01 239 2010-01-01 279 2011-01-01 276 2012-01-01 306 2013-01-01 297 2014-01-01 267 2015-01-01 292 2016-01-01 293