Year Number of Firms 1992-01-01 79 1997-01-01 171 2002-01-01 136 2003-01-01 127 2004-01-01 143 2005-01-01 152 2006-01-01 155 2007-01-01 200 2008-01-01 216 2009-01-01 195 2010-01-01 236 2011-01-01 272 2012-01-01 279 2013-01-01 275 2014-01-01 299 2015-01-01 255 2016-01-01 224