Year Number of Firms 1992-01-01 108 1997-01-01 199 2002-01-01 205 2003-01-01 198 2004-01-01 227 2005-01-01 271 2006-01-01 249 2007-01-01 231 2008-01-01 258 2009-01-01 229 2010-01-01 265 2011-01-01 294 2012-01-01 285 2013-01-01 307 2014-01-01 290 2015-01-01 328 2016-01-01 318