Year Number of Firms 1992-01-01 94 1997-01-01 127 2002-01-01 165 2003-01-01 136 2004-01-01 134 2005-01-01 147 2006-01-01 160 2007-01-01 179 2008-01-01 169 2009-01-01 142 2010-01-01 159 2011-01-01 175 2012-01-01 171 2013-01-01 152 2014-01-01 186 2015-01-01 187 2016-01-01 179