Year Number of Firms 1992-01-01 24 1997-01-01 37 2002-01-01 54 2003-01-01 59 2004-01-01 65 2005-01-01 73 2006-01-01 82 2007-01-01 134 2008-01-01 162 2009-01-01 149 2010-01-01 165 2011-01-01 204 2012-01-01 213 2013-01-01 181 2014-01-01 174 2015-01-01 167 2016-01-01 138