Year Number of Firms 1992-01-01 65 1997-01-01 116 2002-01-01 131 2003-01-01 142 2004-01-01 218 2005-01-01 216 2006-01-01 210 2007-01-01 262 2008-01-01 340 2009-01-01 250 2010-01-01 280 2011-01-01 301 2012-01-01 356 2013-01-01 352 2014-01-01 358 2015-01-01 300 2016-01-01 315