Year Number of Firms 1992-01-01 45 1997-01-01 63 2002-01-01 103 2003-01-01 120 2004-01-01 160 2005-01-01 193 2006-01-01 176 2007-01-01 203 2008-01-01 196 2009-01-01 248 2010-01-01 251 2011-01-01 284 2012-01-01 271 2013-01-01 280 2014-01-01 253 2015-01-01 218 2016-01-01 271