Year Number of Firms 1992-01-01 92 1997-01-01 126 2002-01-01 136 2003-01-01 162 2004-01-01 187 2005-01-01 178 2006-01-01 160 2007-01-01 170 2008-01-01 185 2009-01-01 192 2010-01-01 176 2011-01-01 194 2012-01-01 204 2013-01-01 207 2014-01-01 224 2015-01-01 217 2016-01-01 221