Year Number of Firms 1992-01-01 52 1997-01-01 99 2002-01-01 92 2003-01-01 101 2004-01-01 103 2005-01-01 107 2006-01-01 105 2007-01-01 126 2008-01-01 151 2009-01-01 159 2010-01-01 191 2011-01-01 179 2012-01-01 168 2013-01-01 169 2014-01-01 171 2015-01-01 166 2016-01-01 160