Year Number of Firms 1992-01-01 49 1997-01-01 71 2002-01-01 86 2003-01-01 93 2004-01-01 88 2005-01-01 124 2006-01-01 149 2007-01-01 156 2008-01-01 185 2009-01-01 185 2010-01-01 184 2011-01-01 206 2012-01-01 214 2013-01-01 224 2014-01-01 226 2015-01-01 244 2016-01-01 219