Year Number of Firms 1992-01-01 76 1997-01-01 168 2002-01-01 180 2003-01-01 179 2004-01-01 176 2005-01-01 207 2006-01-01 187 2007-01-01 207 2008-01-01 231 2009-01-01 181 2010-01-01 189 2011-01-01 200 2012-01-01 189 2013-01-01 205 2014-01-01 215 2015-01-01 216 2016-01-01 193