Year Number of Firms 1992-01-01 76 1997-01-01 143 2002-01-01 184 2003-01-01 164 2004-01-01 194 2005-01-01 198 2006-01-01 206 2007-01-01 245 2008-01-01 266 2009-01-01 296 2010-01-01 324 2011-01-01 358 2012-01-01 346 2013-01-01 363 2014-01-01 379 2015-01-01 364 2016-01-01 327